Malicious PDF — malware analysis report

Static analysis result for SHA-256 c887160a5cf7f60b…

MALICIOUS

PDF

76.3 KB Created: 2021-03-18 07:59:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d2d371c7c21eecc87e6a93baeb4c7d18 SHA-1: b86c0845663749c63b437d2627622c056549354f SHA-256: c887160a5cf7f60bd5e6ac212c6bc31da73cdc570db091b244f25bae12633c5f
96 Risk Score

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 0.9995

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://pelibifir.ru/wix?keyword=a+yeast+population+study+74+answer+key PDF link annotation
    • http://herss.space/zigzag_oregon_weatheryl41n.pdfIn PDF document text
    • http://tesar-krd.ru/xakidowedoxutojusuvo5x5p9.pdfIn PDF document text
    • https://kajugomurabamuj.weebly.com/uploads/1/3/0/8/130814292/9046633.pdfIn PDF document text
    • http://zoneeuro.pro/jajebuborigofebopulonnrzp.pdfIn PDF document text
    • http://midumadataresut.66ghz.com/zelda_ocarina_of_time_2d.pdfIn PDF document text
    • https://xatiletovolut.weebly.com/uploads/1/3/1/4/131409128/komuzumazokuxaj.pdfIn PDF document text
    • https://nojefawagalubab.weebly.com/uploads/1/3/4/2/134266261/2fabe7aa331a.pdfIn PDF document text
    • http://detonic-de.website/tabozawibugitebmqbw9.pdfIn PDF document text
    • https://lamonide.weebly.com/uploads/1/3/4/0/134096931/481a51065f.pdfIn PDF document text
    • https://xowogibudul.weebly.com/uploads/1/3/4/4/134446034/4744734.pdfIn PDF document text
    • http://eduha.online/how_to_negotiate_a_car_lease_payment5z32q.pdfIn PDF document text
    • http://amandeepsadyora.com/rimworld_infinite_chemreactori105w.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://s3.amazonaws.com/tabobujimo/calculus_for_gate_cse.pdfIn PDF document text
    • https://s3.amazonaws.com/jeduzizonox/biafra_radio_app.pdfIn PDF document text
    • https://s3.amazonaws.com/wujapu/25743720646.pdfIn PDF document text
    • http://faxanudof.epizy.com/28942209928.pdfIn PDF document text
    • https://s3.amazonaws.com/metubevozisul/antenna_and_wave_propagation_book.pdfIn PDF document text
    • https://7f793f8f-877f-420e-851b-8bae9ea62a4d.filesusr.com/ugd/78c764_d8c87fb053424fea8087844d5905bec3.pdf?index=trueIn PDF document text
    • http://dusetelonuzaj.epizy.com/vmware_esxi_5._5_crack.pdfIn PDF document text
    • https://aabf49e0-5477-4fd2-8456-a986ef8f2a87.filesusr.com/ugd/9e14ca_f075caf7a951418398ed2b567fef5b88.pdf?index=trueIn PDF document text
    • https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_a3f1f47456c441f8ad3361a79e6156fe.pdf?index=trueIn PDF document text
    • http://sefakazoporemad.rf.gd/84464273739.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 8

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_off0000e116.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE116 5252 bytes
SHA-256: a6261f75acfadd6cb428bd84f4c8ddbdf42f253a3fe05c4e26854846ad1bdc3d
font_01_sfnt_off0000f31a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF31A 10096 bytes
SHA-256: 20c4c83eabf4ae681aae5f2f5675ed6428ab720d491f4265a4eaa1ca9b6826a6
font_02_sfnt_off00011597.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11597 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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