Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ae582c7e4854402…

MALICIOUS

PDF

64.0 KB Created: 2021-05-02 08:20:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2900d082f45f5b3a2eecb38fd9a21f05 SHA-1: 6c5e7ad818e41b30aa948b8a5e3671dbb5befa41 SHA-256: 5ae582c7e48544029dff1118f1beaf8c15e76af09baa3fede25344f241ca5ace
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malware or facilitate phishing. The ClamAV detection and ML classifier further indicate malicious intent. Although no scripts were extracted, the presence of embedded URLs and the overall structure strongly suggest the document is a lure for malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7728

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/7jqjpkrnpn86ff5pk2o0vef0q5/lazuju.pdf
    • https://evboosters.com/wp-content/plugins/super-forms/uploads/php/files/27eb7b83300221d61367b14288b4b1f6/60671910858.pdf
    • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5d6a8dba56cf266fcc5d95a750e12d1d/tafeparoj.pdf
    • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/786a2305cce5b2a888707d8ea3166227/tixurenaxasi.pdf
    • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607a80351239f---kegujusafe.pdf
    • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079005ca3291---kefomegafip.pdf
    • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/79efa630f3e22433f8d26837ce52351e/97374482126.pdf
    • http://altinay-law.com/images/file/15257981978.pdf
    • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/vipmlksiqqpcdrveisojaf3sls/xeferumepikitizabalozetug.pdf
    • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/6fb74tjnmf4okj2dg8rjv0n1r4/53995953678.pdf
    • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8426a4694---raduferemebefawawim.pdf
    • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e890d857b4---25161732526.pdf
    • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/812d72b2366d7ddc264c4b9c3c1b3395/bipudinup.pdf
    • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a330f30417---32208898985.pdf
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16070b0a832948---85425463734.pdf
    • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c755a8bf15---gusefodedalivosufege.pdf
    • https://argumentua.com/i/file/nodefefusikazowot.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=airbnb+property+management+agreement+template

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