Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeadc77c82c03a97…

MALICIOUS

PDF

95.7 KB Created: 2021-03-28 23:43:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95a319265a62dade17747e68c7acd936 SHA-1: 29100147940d924ddc53a1564e457dc947ae8c71 SHA-256: eeadc77c82c03a974996917402045e5cb28f0956170415ed1bd84e93bba8bdc6
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'https://maypoin.ru/wix?keyword=jason+gideon+death+scene', which is the primary indicator of a phishing or malware distribution attempt. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://maypoin.ru/wix?keyword=jason+gideon+death+scene
    • http://josamaduxano.22web.org/78225732206.pdf
    • https://cdn-cms.f-static.net/uploads/4405945/normal_5fd9295d6ed2e.pdf
    • https://static.s123-cdn-static.com/uploads/4383698/normal_5fccf5e57dc0a.pdf
    • https://cdn.sqhk.co/zijigemeworu/otrjiie/jibabed.pdf
    • https://cdn.sqhk.co/gotoruzud/hihmdhd/sejoparekawuguma.pdf
    • https://cdn.sqhk.co/bewewojiwo/oyb9fii/stickman_warriors_4_online_mod_apk.pdf
    • https://cdn.sqhk.co/zejejofe/h9InQWt/14581922121.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://b01cffea-7a05-49e8-9781-04202a21c04b.filesusr.com/ugd/d5d855_512d136a72cf4498a675ad6b2fd324ca.pdf?index=true
    • http://bivuraxut.rf.gd/thyristor_firing_circuit.pdf
    • https://7a48fde5-f9d1-4ce4-84a2-8b156d245d18.filesusr.com/ugd/8127dd_02b95787660a446685cb0f6af978a1a0.pdf?index=true
    • https://s3.amazonaws.com/vaxebisapesi/good_amharic_books.pdf
    • http://kugikejovapav.rf.gd/fupokajexosorij.pdf
    • http://timodetunidup.epizy.com/birthday_wishes_video_for_free.pdf
    • http://fitimulosegi.epizy.com/gukexunapijese.pdf
    • https://uploads.strikinglycdn.com/files/df039b99-c303-47c2-a00b-7618da36dbcc/takikizifuve.pdf
    • https://uploads.strikinglycdn.com/files/93e1c223-82b6-431d-98a4-f98806fe1e94/35150793606.pdf
    • https://uploads.strikinglycdn.com/files/d50ca917-f4f7-4563-b83f-766297315fde/el_vendedor_mas_grande_del_mundo_resumen_por_capitulos.pdf
    • https://uploads.strikinglycdn.com/files/6ed7787a-72ff-4edf-85bd-bafc88f3cf42/what_is_the_best_known_greek_art_form_today.pdf
    • https://s3.amazonaws.com/xamapebonijos/fupenupiwokuxeso.pdf
    • https://s3.amazonaws.com/resixexi/jokewonusifexarum.pdf
    • https://8909b315-4d59-4940-aabf-0fdaa532e0ad.filesusr.com/ugd/4542d9_5f23aa96fa394f088dae1a829dde081a.pdf?index=true
    • https://s3.amazonaws.com/tevigotu/cc_camera_karna_hai.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012e8f.bin
eca3eb45f4eceb0f07bcb0da579747fa046a09738f4db928180c9a3323be5930		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12E8F 4852 bytes
font_01_sfnt_off00013efe.bin
0abab447a8958385ace7ca67ef49efe173e5049a159b107e2b0a788df188c069		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13EFE 10788 bytes
font_02_sfnt_off000163dc.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x163DC 4324 bytes

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