Malicious PDF — malware analysis report

Static analysis result for SHA-256 f46f26aa70401723…

MALICIOUS

PDF

180.1 KB Created: 2021-05-28 07:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 536633bc036ec00b0a63fd5c3275b004 SHA-1: dcadde53cc0e66491babc35e4e92653a3b61792d SHA-256: f46f26aa704017230d9a78a8c834895336a953a202e169a70c13a655b784093a
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded URLs, with a significant portion pointing to disposable hosting and link farms, indicating a phishing or redirection attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is part of a campaign to host malicious content or redirect users. While no scripts were explicitly extracted, the presence of external URIs and the ML classifier's high confidence score point towards malicious intent, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8906

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ponafet.ru/wb?keyword=braun%20thermoscan%20type%206022%20instructions PDF link annotation
    • https://duxizesojisuvab.weebly.com/uploads/1/3/5/3/135327590/duwiliku.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426260/normal_602f4fcccb60f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443594/normal_604e33ba362bf.pdfIn PDF document text
    • https://nagagixibedixu.weebly.com/uploads/1/3/1/6/131606435/sosukubedakumutu.pdfIn PDF document text
    • https://kupelaranix.weebly.com/uploads/1/3/4/7/134729830/tapigifowefivefoteni.pdfIn PDF document text
    • https://wiwotejezewol.weebly.com/uploads/1/3/4/6/134691264/601243.pdfIn PDF document text
    • https://ronafipilegov.weebly.com/uploads/1/3/2/6/132681204/7968957.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387035/normal_5fd789e863255.pdfIn PDF document text
    • https://rowusebejaron.weebly.com/uploads/1/3/1/6/131637242/pomafa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369919/normal_6022cb4206c70.pdfIn PDF document text
    • http://www.typoland.com/http://www.typoland.com/designers/Lukasz_Dziedzic/CopyrightIn PDF document text
    • http://www.typoland.com/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.thdl.org/http://www.thdl.org/TibetanIn PDF document text
    • https://uploads.strikinglycdn.com/files/1dda66de-e0a6-4947-aca2-3a15848b0a60/can_you_keep_a_secret_netflix_rotten_tomatoes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/657019e3-e43d-45e7-8ebd-b8c16c6934f9/matthew_restall_seven_myths_of_the_spanish_conquest.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/14eab726-dc7b-42d9-99ed-2dd5f4efcecc/greenworks_1800_psi_pressure_washer_warranty.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7193680-ad28-4b2e-954b-e5fe47c81282/whose_birthday_is_july_22.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cccee3ce-f078-44c6-a085-ed3e5259c86f/21293793221.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5956ce0f-4b19-497e-b367-51e55e99ac5e/67323390485.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d49b0ab-41d5-491e-bd3d-705f73e5f484/how_to_turn_on_minn_kota_ulterra_remote.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3dd4d892-9bbd-4131-9a9a-1cba5f3fe781/rosazukolenijujufogotaz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9628a43c-a590-4a19-98d9-c93e70c76180/purevirejusoridi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/104565ff-c529-403a-96e6-dbb21bc54f9e/dewim.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ad9375a-44e3-4094-bd75-fd0a7e609dff/journey_to_the_center_of_the_earth.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4ef4ce5-f2dc-46da-9dc8-45afb314091a/trimble_business_center_2.7_free_download.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlTibetanIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000220df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x220DF 6168 bytes
SHA-256: 8fa5fc47f1c4d577ade0a12cf104f8d2f5d8331d2d553a120b9eeba46afd7401
font_01_sfnt_off00023050.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23050 2860 bytes
SHA-256: e3a153e3c663258de4050ab70e28bb1e5697214bd655fbed98097171d8b9d0d0
font_02_sfnt_off00023a88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23A88 5720 bytes
SHA-256: 0bcd7a5c12e1c37101f0491431fdfc3b3f2a4cceab90960b97b6379296ec6ae6
font_03_sfnt_off00024de0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24DE0 8980 bytes
SHA-256: 9a6de08e6b92e467009616df01804ebbbb5e23eb222d2288fa11cbf9257a7494
font_04_sfnt_off00025fc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25FC5 20788 bytes
SHA-256: 2499a0148bd4a7e1579928207c0e07833254bcf2298c0de9f7fd6e2b87fe873f
font_05_sfnt_off00029892.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29892 16840 bytes
SHA-256: 19e239e689b3ac4b7cb59e207dfefe9f6ab6e27f20faf732d7cfe0565a506db9
font_06_sfnt_off0002afea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AFEA 6284 bytes
SHA-256: ad44e6fe9b4096eb7264c5222ed58836c6dabdcf2196b2d6f378aad8e71a82aa

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