Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcccb68c89cea24c…

MALICIOUS

PDF

45.6 KB Created: 2021-06-09 05:04:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 508948fdf3863a2de7aec49e32d46837 SHA-1: 09d2cf450cef0c4b9a98f27349f74783629c8d4f SHA-256: dcccb68c89cea24c5705cfd57d3bac13863853833a74355804ff289f34970c33
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs, one of which is a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body text, though garbled, contains a lure related to song downloads, which is likely a pretext to encourage clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7738

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
  • 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 https://smidgel.ru/pbw?utm_term=dil+hai+chota+sa+mp3+song+download+female PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4528260/normal_5fcfe7a6afbce.pdfIn PDF document text
    • https://rakiletapaleta.weebly.com/uploads/1/3/1/8/131856645/zeribejegaxuv_zajukowusora.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369146/normal_5ff650267c334.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4373511/normal_60b12ed7347e7.pdfIn PDF document text
    • https://jatekowi.weebly.com/uploads/1/3/0/7/130776123/tigik.pdfIn PDF document text
    • https://pabitunevogozut.weebly.com/uploads/1/3/0/7/130776295/6e2c626c658.pdfIn PDF document text
    • https://mevinabepoke.weebly.com/uploads/1/3/2/7/132740553/62617d6a8bef.pdfIn PDF document text
    • https://lotisawiro.weebly.com/uploads/1/3/4/6/134625457/gojaxamiw.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4466657/normal_60b583b0e02d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468268/normal_6064075685fdb.pdfIn PDF document text
    • http://kafunujazuwo.pbworks.com/w/file/fetch/144644781/rock_band_4_guitar_compatibility_ps3.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dee83be5-30b6-4423-b827-04abceada49a/2487819670.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fe539594-b913-439b-bdb0-2ffa5be36f1f/szck_dzeyinde_anlatm_bozukluklar_tyt.pdfIn PDF document text
    • http://luwivaj.pbworks.com/w/file/fetch/144508179/42348462772.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d0edaf43-f2f6-4960-bcc7-c7b4f2bb5ba5/21318949711.pdfIn PDF document text
    • http://kefatezalix.pbworks.com/f/how_to_sync_photive_sport_headphones.pdfIn PDF document text
    • http://togusan.pbworks.com/f/fisamidonupadalodugi.pdfIn PDF document text
    • http://gezebal.pbworks.com/f/14001261997.pdfIn PDF document text
    • http://wamotarirup.pbworks.com/w/file/fetch/144627072/50386009548.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e97d207e-8637-4aa3-bdfa-57130ff2c2cf/scary_stories_to_tell_in_the_dark_age_rating_book.pdfIn PDF document text
    • http://zelovoguvunu.pbworks.com/w/file/fetch/144425043/mibikileme.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dac2c915-8970-4109-860f-c5ab45b90bc6/my_samsung_dryer_wont_spin.pdfIn PDF document text