Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b2e22317e3a417…

MALICIOUS

PDF

67.6 KB Created: 2021-04-10 21:40:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 957a6e33a769793743518946075a1fad SHA-1: b693e8b9724f374382b8fa6e1374e4eb426f11bb SHA-256: 34b2e22317e3a417bfe5f69f4bad6d2fd8fe32641b98685a02504f2de8af81da
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous external links, a common tactic for phishing or SEO spam. The ClamAV detection and the presence of a link farm heuristic indicate malicious intent, likely to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to drive traffic to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3712

Heuristics 4

  • 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.
  • 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://vilenefex.ru/strik?utm_term=percy+jackson+3+full+book+online
    • http://jozejibojofeku.22web.org/39662338451.pdf
    • http://trells.space/zinukolovagazapwigmr.pdf
    • https://bonitolopulako.weebly.com/uploads/1/3/1/3/131384654/19923f4b6a.pdf
    • http://nukicew.xyz/31710786014fs7eh.pdf
    • https://sutiwipuxepol.weebly.com/uploads/1/3/4/5/134517417/352a1.pdf
    • http://galoomer.online/bhojpuri_new_movie_video_song_2019zvtw8.pdf
    • https://nefabilaj.weebly.com/uploads/1/3/1/4/131438225/bukijaxexoto.pdf
    • https://dosedoduni.weebly.com/uploads/1/3/4/3/134347632/favanerebepul-zomovofupukuka-ramiwogevego.pdf
    • https://rodedewosesuge.weebly.com/uploads/1/3/6/0/136010241/sidaruzafup.pdf
    • http://xazutakivad.iblogger.org/rodusabodimuwasetizunen.pdf
    • http://suramakoto.epizy.com/24674090344.pdf
    • https://uploads.strikinglycdn.com/files/800a947b-c67d-469e-b300-9604d5f5936c/bejamumiregifamukazapaxe.pdf
    • https://uploads.strikinglycdn.com/files/d7990d5d-5722-4aa6-ad95-0feeecdf8b3c/how_bad_is_buffalo_wild_wings_for_you.pdf
    • https://s3.amazonaws.com/gowupuzokowuxes/41407414615.pdf
    • https://s3.amazonaws.com/xomepixo/19869198023.pdf
    • https://s3.amazonaws.com/radubozufiwo/zibakiborawogedir.pdf
    • https://uploads.strikinglycdn.com/files/24da7d11-49c4-4b79-9ecf-597ba33b279e/rikisetoz.pdf
    • https://s3.amazonaws.com/resisuna/73260390913.pdf
    • https://s3.amazonaws.com/towakog/vijeguzuvuzekonomuzixagoz.pdf
    • https://s3.amazonaws.com/feliso/14552704495.pdf
    • http://zosenesewil.rf.gd/womivixopa.pdf
    • https://s3.amazonaws.com/wogikokuzotaxa/amar_bangla_boi_class_4.pdf
    • https://uploads.strikinglycdn.com/files/279b448a-52d7-4d6a-b94d-3c2bb56fb32c/mifowegefeg.pdf
    • https://uploads.strikinglycdn.com/files/8ca0048f-700b-4dd3-bfc2-c9e0e05a3850/how_to_greet_someone_in_latin_america.pdf
    • http://paguvodusijuwef.epizy.com/enter_into_vs_enter.pdf
    • https://s3.amazonaws.com/lazesej/tilumigopijebi.pdf

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