Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ae89de757244064…

MALICIOUS

PDF

109.1 KB Created: 2021-04-05 02:52:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1778343ca16edf301b96ca539938688 SHA-1: 48ddc76dda370886aad606811084d668b9fd0aef SHA-256: 7ae89de7572440645774d8fed887e4f366371ad73fb7583233537fb0e9ab0ed0
94 Risk Score

Malware Insights

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

The PDF contains an embedded URI that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. ClamAV detection and ML classification confirm the malicious nature of the file. No scripts were extracted, but the presence of external URIs suggests an attempt to download further malicious content or redirect the user to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6392

Heuristics 3

  • 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
  • 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://druttle.ru/award?keyword=aeneid+book+5+pdf
    • http://tapasin.sportsontheweb.net/41749267828.pdf
    • http://safetugosuwe.22web.org/embriologia_aparato_respiratorio.pdf
    • https://cdn-cms.f-static.net/uploads/4413109/normal_60555aae09407.pdf
    • https://cdn.sqhk.co/jutusaxibu/dajgSgh/deziparibozetikez.pdf
    • http://baxezafewel.iblogger.org/30_day_ketogenic_diet_plan_australia.pdf
    • http://delabozaxexiris.getenjoyment.net/dom_quixote_miguel_de_cervantes_download.pdf
    • https://cdn-cms.f-static.net/uploads/4501037/normal_60152b41dd0ae.pdf
    • http://lesuluvavu.iblogger.org/barrier_free_design_guide.pdf
    • https://cdn.sqhk.co/luwagoma/dF7hh4V/super_orange_belly_ball_python.pdf
    • https://cdn.sqhk.co/vixivizal/ahdibje/mega_millions_nj_next_drawing.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/fea6b314-ab6a-47d0-a789-c8d9fdceb6e0/putilobejixufinefubapojil.pdf
    • https://uploads.strikinglycdn.com/files/5dbeb043-523d-438f-bb4d-d1e388ce91b7/examples_of_project_based_learning_activities_for_elementary_students.pdf
    • http://tekarileted.epizy.com/65973004518.pdf
    • http://bonanelokuweje.rf.gd/zajowipivoxekesazov.pdf
    • https://uploads.strikinglycdn.com/files/fcede58c-6413-4a53-be59-139525e1ee61/think_of_me_phantom_of_the_opera_broadway_lyrics.pdf
    • https://d3df31c7-72fe-42b1-a92e-0723e8ed7a16.filesusr.com/ugd/5bf82b_741eff041e824a3ea92ebbfa72e8503c.pdf?index=true
    • http://bumurulepowele.myartsonline.com/brooklyn_colm_toibin.pdf
    • http://dopovis.myartsonline.com/zunevububekunet.pdf
    • https://6b551870-9d71-4c88-87ac-30bafd697196.filesusr.com/ugd/b27e13_7a10e559214944ada995efb9feefddb2.pdf?index=true
    • https://uploads.strikinglycdn.com/files/b95e0924-5143-4e34-81b8-2370f4abeac3/kidikurafuxidi.pdf
    • https://uploads.strikinglycdn.com/files/fcc53a51-f201-4c55-b051-1016e42753da/20544389460.pdf
    • https://aed0ee3a-d217-4696-a563-de9ff15d6c37.filesusr.com/ugd/f80e3f_b9619d70b1fa4e389e3bc2d295601948.pdf?index=true
    • https://a909b8fe-7c6e-4467-a5b6-92e64a2a5b5d.filesusr.com/ugd/65efca_cdd11a3eb508443681a156d6561b56e6.pdf?index=true
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00018edb.bin
fbb85decf353948b057f172d79ec94c7cf9ab2faa9b30edefd3659473f044ec8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18EDB 4836 bytes

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