Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8132e176d2e0208…

MALICIOUS

PDF

77.1 KB Created: 2021-04-04 05:24:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ffbee6e0c3cc862ea99871a0809cbf2a SHA-1: 7daef4cd8d8e487a8cb52fcbbe42a5b8c304b5d6 SHA-256: b8132e176d2e0208e3086c6cc1e05becafe24b725bc4f26dff11d9439ce383d0
186 Risk Score

Malware Insights

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

The PDF file contains numerous external links, suggesting it functions as a link farm designed to direct users to various websites. The presence of a PDF_SEO_LINK_FARM heuristic firing and the embedded URL indicate a phishing or SEO manipulation tactic. Although no scripts were directly extracted, the ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://xajibur.ru/award?keyword=aromaterapia+aceites+esenciales+propiedades+pdf PDF link annotation
    • https://s3.amazonaws.com/sazariwapa/what_is_e1_error_in_voltas_ac.pdfIn PDF document text
    • https://cdn.sqhk.co/letarezetap/Gijjhq7/vepoxonojimugapotap.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/bharat_full_movie_filmywap.pdfIn PDF document text
    • https://cdn.sqhk.co/dodipenameki/bgdhfja/49448546659.pdfIn PDF document text
    • http://alania365.ru/holy_quran_with_bangla_pronunciationpbakw.pdfIn PDF document text
    • https://cdn.sqhk.co/busoleva/0GRwqcB/lazeke.pdfIn PDF document text
    • https://s3.amazonaws.com/bofake/the_landlady_analysis_sparknotes.pdfIn PDF document text
    • http://topstop.site/38556329676n2gc8.pdfIn PDF document text
    • https://s3.amazonaws.com/gotijejaj/equalizer_bass_booster_pro_apk_latest.pdfIn PDF document text
    • https://cdn.sqhk.co/reromiwo/jfgdSiE/picsart_photo_studio_collage_maker_and_pic_editor.pdfIn PDF document text
    • http://lolkek.xyz/falidipuvukijiyula.pdfIn PDF document text
    • http://goo-y.xyz/bijewazuac6oh.pdfIn PDF document text
    • https://cdn.sqhk.co/jebixusugak/wWgihi9/popular_hashtags_today_facebook.pdfIn PDF document text
    • https://cdn.sqhk.co/viwedanej/algg1je/free_music_apps_for_iphone_11.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/30_day_notice_template_for_tenant.pdfIn PDF document text
    • https://cdn.sqhk.co/wadusazilox/VFrgezV/28210487385.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cf4de027-7369-46c2-bf93-d69cabef2b5e.filesusr.com/ugd/868b90_15f9595d352d4d23a245ed6ee226394c.pdf?index=trueIn PDF document text
    • https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_2922b5066233456db79d0503173f3c01.pdf?index=trueIn PDF document text
    • https://2225f16e-b6a0-48e2-a067-d7e802b71dd4.filesusr.com/ugd/a7ada4_d7f0817898104c90a222c8623c3fd9ba.pdf?index=trueIn PDF document text
    • https://30b7a97f-6117-4fff-8876-4b3c2220b6c6.filesusr.com/ugd/15cd4d_c16a157778774ce9af2dd68dac24da34.pdf?index=trueIn PDF document text
    • https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_a34e1f9bc9074e56b582e7d9ab326db9.pdf?index=trueIn PDF document text
    • https://6205d428-d5dc-494e-bbc3-e2236f9d811e.filesusr.com/ugd/6885a6_aa7f7ffc13a84e51ad442ce04836ef45.pdf?index=trueIn PDF document text
    • https://1794ee33-230d-455b-98b1-84d48067edce.filesusr.com/ugd/551769_a79d64e90999409daa01632a762efd79.pdf?index=trueIn PDF document text
    • https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_2c67a50d558d4a50b2c6c9ca100f30c7.pdf?index=trueIn PDF document text
    • https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_0f4e716589d340dbafcc300b6444de7c.pdf?index=trueIn 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

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e07a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE07A 5076 bytes
SHA-256: 12ab11e59f877ac4bd7359aa49289adf1a79f27b952cb243f8e9a070d97e7f02
font_01_sfnt_off0000f194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF194 11384 bytes
SHA-256: d120ab2533f001da1e2a6c8274908201320c28a636ec261d92c8525d09017eca
font_02_sfnt_off00011679.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11679 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

Open this report in the interactive analyzer, or submit your own file for analysis.