Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce091bd7b36215f1…

MALICIOUS

PDF

49.6 KB Created: 2021-03-18 13:21:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 253daa7d326bc88f7e6bb6e3cad6bab8 SHA-1: 8d0903513c2e3b6339094c8ba46ce94ef285479c SHA-256: ce091bd7b36215f1351840b72b602ecb4741832ec57b3a020d8a08e9e5037ed1
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 0.7879

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
  • 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://lozipotod.ru/aws?utm_term=honeywell+focuspro+5000+manual PDF link annotation
    • http://texoraw.sportsontheweb.net/what_time_to_read_surah_mulk.pdfIn PDF document text
    • http://gojavodevagajuw.mygamesonline.org/90579566437.pdfIn PDF document text
    • http://lenuvivureropi.scienceontheweb.net/boy_roald_dahl_audiobook_free.pdfIn PDF document text
    • http://segaruzobuguses.scienceontheweb.net/aes_algorithm_in_cryptography.pdfIn PDF document text
    • http://gajonedorebuko.mywebcommunity.org/nerivatazal.pdfIn PDF document text
    • http://rutinesuzufogat.mypressonline.com/gagejunuzakajefodanekej.pdfIn PDF document text
    • http://suwadebizon.mywebcommunity.org/what_do_you_mean_by_kinematics_and_kinetics.pdfIn PDF document text
    • http://farozemirig.scienceontheweb.net/piloting_seamanship_and_small_boat_handling_by_charles_f_chapman.pdfIn PDF document text
    • https://c75ed97e-f406-4d79-b864-c99612e64be8.filesusr.com/ugd/a66d15_56d9d2fa5a0c470a86538b3b392505e9.pdf?index=trueIn PDF document text
    • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_ff4a33dbdf70445e9069a586baacc1a3.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/95028fd3-f7f8-4a12-939c-3ce6cbb3b1a4/19110343994.pdfIn PDF document text
    • https://badbb018-ab4e-499b-b788-960949b82e3d.filesusr.com/ugd/4f4c56_5af9d72623ef4870b2989be782658cee.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/17823ab3-bb96-438e-a759-d9d64b2c9fd5/pisikoxijorutafipizuru.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwisigetizoxif/pobawedafizexigip.pdfIn PDF document text
    • http://tiluxusimutine.atwebpages.com/83238375998.pdfIn PDF document text
    • https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_8976d9337ecf4f98be8de312d567d194.pdf?index=trueIn PDF document text
    • https://49432a94-54bc-4d13-9d12-ea41d731e1b8.filesusr.com/ugd/a7c689_93b97bc3aea34a64b385cf5a13c9e10f.pdf?index=trueIn PDF document text
    • http://luxupuxud.myartsonline.com/artemia_adalah.pdfIn PDF document text
    • https://s3.amazonaws.com/sixolose/inventory_control_sop_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7fc74d3-61c8-48f3-a4c8-3af08add0ad2/40266890244.pdfIn PDF document text
    • https://ab60d57a-1f92-408f-9079-0b325776b613.filesusr.com/ugd/724fb5_8670e510f3e749fea92546dabd7f08d0.pdf?index=trueIn PDF document text
    • https://dacf5b84-f80e-4bd8-bb7f-22aad20a1cd8.filesusr.com/ugd/285be4_2ece233c66a34fcc8417e6b717675119.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/davubewu/marriage_not_dating_korean_drama.pdfIn PDF document text

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