Malicious PDF — malware analysis report

Static analysis result for SHA-256 6950962059584e37…

MALICIOUS

PDF

50.6 KB Created: 2021-03-09 18:49:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 04a5dfbfadeb1430b8b638bbfdb8e25f SHA-1: cff516e03870278d704ab7ae281ce374c3a5b8d0 SHA-256: 6950962059584e3706b304e2deb8dee5d700fa994efcb86c5a1c30ae3ba6c1e1
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7209

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://seumenha.ru/aws?utm_term=why+won%2527t+my+shark+ion+robot+charge PDF link annotation
    • https://cdn.sqhk.co/gedugari/rHgcCWP/survival_island_english_movie_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/pidodalatip/jb0ij20/juzezevudati.pdfIn PDF document text
    • http://alcozerox.com/bapemaluzivz7dpv.pdfIn PDF document text
    • https://jaluvipuruwagub.weebly.com/uploads/1/3/4/7/134734890/0e3c7638b11.pdfIn PDF document text
    • https://fisujurij.weebly.com/uploads/1/3/1/4/131437504/kifutujorexoged.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/4707da.pdfIn PDF document text
    • https://mebavowu.weebly.com/uploads/1/3/4/3/134353315/dca753b696a.pdfIn PDF document text
    • http://meetcabinets.xyz/204498627790crje.pdfIn PDF document text
    • http://azorocheat6.xyz/99050158891ilm7k.pdfIn PDF document text
    • https://bifawodeg.weebly.com/uploads/1/3/5/3/135348479/777f0b22.pdfIn PDF document text
    • https://bazojarazete.weebly.com/uploads/1/3/4/6/134650598/7124600.pdfIn PDF document text
    • http://ooovseanalizi.ru/kenmore_dishwasher_665_manualswejt.pdfIn PDF document text
    • https://cdn.sqhk.co/fexejikexew/agCidjf/17560871268.pdfIn PDF document text
    • https://cdn.sqhk.co/baxoladipezu/jd0jgig/word_bubbles_games_free_download.pdfIn PDF document text
    • https://sazotavivi.weebly.com/uploads/1/3/1/1/131164406/6510527.pdfIn PDF document text
    • http://help-copyrightservice.xyz/line_6_spider_valve_mkii_1128vhqm.pdfIn PDF document text
    • https://wikusujuvi.weebly.com/uploads/1/3/1/4/131406665/6455929.pdfIn PDF document text
    • https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_b806fb2e054041519ac3ef006a4d0747.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/69996ccf-27c0-4f83-b38e-97a38632ac1f/do_long_haired_mini_dachshunds_shed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f3f29e7-9094-46ee-839f-c0aea4f9cab1/what_does_dsc_tell_you.pdfIn PDF document text
    • https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_4243a0c6c2ee4c68a9d0561ceacbfc49.pdf?index=trueIn PDF document text
    • https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_c54600203a98486f9c1b6370fbddb031.pdf?index=trueIn PDF document text
    • https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_9e9beba33ea745d7b9d2b9b7f48858b8.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/311378a0-9b25-4e5a-acaf-151af3d00268/19494909075.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d05547fd-0bb6-4590-975a-16a924c96e63/stephen_hawking_quotes.pdfIn PDF document text

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