Malicious PDF — malware analysis report

Static analysis result for SHA-256 35d7470317625627…

MALICIOUS

PDF

66.8 KB Created: 2021-01-07 07:41:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: e4d843b175d0569053489b8c9ec96578 SHA-1: e944be51653afd471acab565de231d6e87a45b91 SHA-256: 35d7470317625627a3b02158325cfd2983f24d900b6c9b498299ccfa1bb86bfc
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://trafftec.ru/123?utm_term=role+development+in+professional+nursing+practice+5th+edition+pdf PDF link annotation
    • https://cdn.sqhk.co/dofewijoras/c6khhiZ/neurologist_near_me_that_take_medicare.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381082/normal_5fc7a8f51ab06.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379220/normal_5fb3f826891c2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369190/normal_5f964bfdd2db9.pdfIn PDF document text
    • https://cdn.sqhk.co/vakanaju/Hhjjd2U/forgotten_land_literature.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413012/normal_5febfd688f212.pdfIn PDF document text
    • https://cdn.sqhk.co/guxuboru/Bih97ny/brawl_master_apk_hile.pdfIn PDF document text
    • https://cdn.sqhk.co/xavonepez/fMhdjdq/cut_paste_photo_editor_for_windows_10.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385612/normal_5fb776c37a683.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/42b73ddc-9f29-49bd-9230-94c54c230fdb/tepazer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a21a9e5-3528-4779-8ef1-52ac5de381c0/mivejatirox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/17e8a9ea-ca48-43eb-a81c-973a7073fa34/virosifaboseforag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5fd8b93-d536-4e21-ad25-d006c6b38836/irrelevant_conclusion_logical_fallacy_examples.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/31ffb303-d243-4edc-97c6-47ccfe56e686/pikijinoje.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2945ee58-23f3-445b-8f9c-85bef4cd645a/fiwajeza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6383da4d-2cd6-4e34-8418-f603a0507854/78431077366.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

Related samples 4

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c675.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC675 5760 bytes
SHA-256: 2aaa792c44f8623f5fc0dab620fa1eca2f04651154ef1e39cb8ea55006120374
font_01_sfnt_off0000d9ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9FF 10564 bytes
SHA-256: 4f9923b4fed4466c37bcbd167a0c7e1923f969dce0fad5213f830792449a5056

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