Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c5e81f169214fc6…

MALICIOUS

PDF

68.1 KB Created: 2021-03-09 06:10:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47f0391e46f85de96980990dcb915aaa SHA-1: 1501ee56739cd1d27a72cc6465720963ef0c9dae SHA-256: 3c5e81f169214fc6a4178a52efb69cf0dff1b9b23b36283ac525702623cb8f0e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malware distribution lure. It contains a large number of external links, many pointing to potentially malicious domains, suggesting a link farm or redirection mechanism. The document body, though heavily corrupted, appears to be an attempt to disguise the malicious intent by referencing a search query for 'Definition of religion by different scholars pdf'. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9470

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://baarspo.ru/award?keyword=definition+of+religion+by+different+scholars+pdf
    • https://mokoxobijukox.weebly.com/uploads/1/3/4/3/134321678/maloxodirev.pdf
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    • https://cdn.sqhk.co/desogepupema/XjixgTQ/car_racing_games_free_download_for_pc.pdf
    • https://fezipogapatud.weebly.com/uploads/1/3/4/8/134888370/fe55b7b6.pdf
    • https://dazutexigamufo.weebly.com/uploads/1/3/2/7/132740900/mipumabufajobu-kiniridus-logalazud-lizumu.pdf
    • https://cdn.sqhk.co/butemobe/JhiOkhh/tagify_best_hashtags_for_instagram_2018.pdf
    • https://cdn.sqhk.co/nasubivapu/fgjjigd/pebatepugasogenodexegib.pdf
    • https://zuzesewijolane.weebly.com/uploads/1/3/1/4/131406438/maxiveboxose_lamarovur_filonimiluveva_tibopowuvutemu.pdf
    • https://3e1ae61b-6b68-46dc-8a90-d1c7a5b9f91c.filesusr.com/ugd/b8bbd7_092a39d391c440ad9214a8b82aa5b259.pdf?index=true
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    • https://uploads.strikinglycdn.com/files/dae32118-1e6f-4218-b451-c51ea38a54b1/wuraleligobosawi.pdf
    • https://9fb0fece-6c2a-4f8b-8ff1-5d9ea67f5ee7.filesusr.com/ugd/f6a907_37a232bd85f4464d89966edb866583f2.pdf?index=true
    • https://9ef77391-fdd1-48d8-ba15-364b07375333.filesusr.com/ugd/ebefdf_b2c10b06b13d47418221895693ab7c92.pdf?index=true
    • http://nawuxek.rf.gd/pogasijenokoti.pdf
    • https://uploads.strikinglycdn.com/files/54a14b55-7851-4061-870b-1174bb40e62e/suwesupozuraboruvek.pdf
    • http://fokafupu.rf.gd/34089996101.pdf
    • https://1e1f235d-56dd-4976-b20d-d38e3fe7b172.filesusr.com/ugd/210b45_57953004b9764fff8569e6757469c97c.pdf?index=true
    • https://uploads.strikinglycdn.com/files/6e06c95f-265e-4fb0-9c6a-4b192f5d4162/240_vocabulary_words_3rd_grade.pdf
    • https://uploads.strikinglycdn.com/files/fd07bf25-3bc0-41a0-b1ff-3bee45f9db7e/dell_inspiron_570_ram_specs.pdf
    • https://50b7e5d6-ab0e-41ff-bbcb-47d024e5c277.filesusr.com/ugd/45d8ab_274c798cde2b4b2393a73e169a35f6d8.pdf?index=true
    • https://34e51215-b586-4e01-b3ea-a219475a7b91.filesusr.com/ugd/46481b_b55a377c4cbe437d83433d8944a1af39.pdf?index=true
    • https://18aefb47-0221-41c7-ace0-4f78eb33e730.filesusr.com/ugd/bca722_e78829b34272443ca591f8e6e28f9637.pdf?index=true