Malicious PDF — malware analysis report

Static analysis result for SHA-256 306e42b037fd0d53…

MALICIOUS

PDF

74.1 KB Created: 2021-03-09 21:08:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 363dd84a168ca42ae4233294cab231ed SHA-1: 8304c35795d147f0007b8f8b45a889e1d41cde31 SHA-256: 306e42b037fd0d53b0068813f2b6684d87d422c2c4fbd91ce28120793c7f7fce
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://golowaki.ru/wix?keyword=everybody%2527s+everything+download+lil+peep PDF link annotation
    • http://pazifelurup.medianewsonline.com/fefubetidutalipavu.pdfIn PDF document text
    • http://palaxofivuleduj.medianewsonline.com/17192921552.pdfIn PDF document text
    • https://japiravonasuv.weebly.com/uploads/1/3/4/6/134644749/2fafd3.pdfIn PDF document text
    • https://jojomelemotupe.weebly.com/uploads/1/3/5/3/135305357/7454192.pdfIn PDF document text
    • https://xajakubadom.weebly.com/uploads/1/3/0/8/130874473/nuwufiba.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f96c6eb-f542-4eb0-b3ce-bbb841f2ffc8/gunupal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60aa4ff3-b7e2-4196-9b92-a7d88619e666/zosafi.pdfIn PDF document text
    • http://zudupaxub.myartsonline.com/how_to_replace_light_bulb_inside_frigidaire_microwave.pdfIn PDF document text
    • https://s3.amazonaws.com/gosete/affidavit_of_non_military_service_form_texas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38fcc8f9-7d92-4f81-bb57-3bfb73ae7673/pokekanivasuf.pdfIn PDF document text
    • https://933527c5-e005-4225-a3aa-05fee46c7696.filesusr.com/ugd/b51dd5_61de1685c9614271bae44d3681b39afe.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gixirojozogufux/soxisurimeguw.pdfIn PDF document text
    • https://cceb078e-1df6-42b0-9e12-359f30e42f1d.filesusr.com/ugd/e8506d_e08e098df2cb4223bec74fed9b0d3aeb.pdf?index=trueIn PDF document text
    • http://dapekafuxururo.myartsonline.com/libro_de_interpretacion_de_los_sueos_cristianos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8446a739-3592-47f8-84e0-1e4df257eb2d/82870962163.pdfIn PDF document text
    • http://vawerudarasikow.myartsonline.com/xovijipavuromerizoja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f0511a0-8ff5-4e70-9716-b58f3b473e11/vanez.pdfIn PDF document text
    • https://43a2ba88-5de9-465b-b95f-6a4d82f2d06e.filesusr.com/ugd/dcbeda_9d56d0d9f37e4c74b20654a62875f85b.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB16 5604 bytes
SHA-256: 08e4981ccaa810efac288505de8fcf71436630335706520e57c0497f469fb05b
font_01_sfnt_off0000ee42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE42 14740 bytes
SHA-256: 401d9eb1b50100e2051ba23bbf0fa59973d9edd9d071227b5931c4505120fce0

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