Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cb48b711919a032…

MALICIOUS

PDF

75.1 KB Created: 2021-04-24 23:18:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1ebae251f38829f72981f2763734b1ad SHA-1: ed47c9bf7ff439ac52e60f71ab281aa5247e0d2d SHA-256: 0cb48b711919a032031050d34d10b79d77721622458e0e029d32e41d19d215fc
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains an embedded URL that directs to a suspicious domain, likely intended to deliver a malicious payload or facilitate phishing. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body's content, while obfuscated, suggests a lure related to game cheating, aligning with common phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://zajinet.ru/strik?utm_term=how+to+cheat+money+on+farming+simulator+2019+xbox+one
    • http://bosemefawixuwov.mypressonline.com/78252190655.pdf
    • https://cdn-cms.f-static.net/uploads/4367914/normal_60667e9aaae7c.pdf
    • https://cdn.sqhk.co/supopareso/cigQrBT/can_you_escape_100_room_2_level_12.pdf
    • https://subutadenurafo.weebly.com/uploads/1/3/4/5/134581349/vogagebipoxaw_feloza_namozikone_febose.pdf
    • http://gevenukodujojov.getenjoyment.net/safevemejotunedasikebaba.pdf
    • https://nunibuzobaga.weebly.com/uploads/1/3/0/7/130740367/3756281.pdf
    • https://cdn.sqhk.co/wofetewa/jahaghj/cupcake_recipes_easy.pdf
    • https://cdn.sqhk.co/gufemazibafi/cjbjjha/17564171739.pdf
    • https://nuwoveforu.weebly.com/uploads/1/3/4/0/134099073/gesumubi.pdf
    • https://cdn-cms.f-static.net/uploads/4425235/normal_606e25b8a3767.pdf
    • https://cdn.sqhk.co/seponidozit/jheghjh/sales_receipt_book_officemax.pdf
    • http://bixekakazozerol.mywebcommunity.org/nejojivige.pdf
    • https://cdn-cms.f-static.net/uploads/4406782/normal_603abdfb0332f.pdf
    • http://parovosi.mygamesonline.org/94369370117.pdf
    • https://cdn.sqhk.co/nibijegun/fhcibgc/turigikexuzozofogax.pdf
    • https://cdn-cms.f-static.net/uploads/4486346/normal_602b8ed80fd4f.pdf
    • https://cdn-cms.f-static.net/uploads/4421624/normal_605363a8c982d.pdf
    • https://jimedugevebuz.weebly.com/uploads/1/3/4/4/134437071/55273c00dbcca2d.pdf
    • https://sibevuguz.weebly.com/uploads/1/3/4/8/134859718/tepetatedire_fukile_dapagazinuri_gogewepiforu.pdf
    • http://vawadofofasip.getenjoyment.net/86293695614.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/ba1bcedc-97fd-46a6-a054-0864f45132c6/94792109153.pdf
    • https://uploads.strikinglycdn.com/files/ddee3eb2-4783-4871-b8c2-684f00bce39e/best_represent_the_scrum_approach.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e35d.bin
42ddcdd75e1af16367e045bdfa387875fa00b250c2b7cc66ec5e1d56f5b7c81d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE35D 6140 bytes
font_01_sfnt_off0000f839.bin
e33ffe54ff2e4565d8d30b8d37d2f4b35f5e006e1a1ed420fb0c067bdb5e6eb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF839 11264 bytes

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