Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4d677f18504860d…

MALICIOUS

PDF

34.0 KB Created: 2020-05-24 08:29:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dbe65089a69aee99a930466de174cd73 SHA-1: 7c5293fe3aa396cc447d87f686f7d422113a2ca4 SHA-256: e4d677f18504860d103ac2a4310b54393b624fa2683f76766b24ade0de25b1ee
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF document contains a mass of external links, many of which are numerically or generically named, suggesting a link farm or SEO abuse tactic. The document body, though heavily obfuscated, contains references to a 'Woods timer manual' and includes numerous URLs. The presence of a 'Callback phishing phone lure' heuristic further indicates a social engineering attempt to trick the user into interacting with malicious content or services. The primary attack pattern involves directing users to potentially malicious websites through these embedded links.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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 http://dgdevelopment.net/uploads/1/3/1/8/131856984/131856984.html#woods+timer+manual+50013
    • http://chocolatekandii.com/uploads/1/3/0/8/130873943/0e86339c32362.pdf
    • http://reneepaintingandlandscape.com/uploads/1/3/0/8/130813722/379571b8da.pdf
    • http://74-123-77-174.mgwnet.com/uploads/1/3/0/5/130588506/sebolidagafigo.pdf
    • http://wherefuturebegin.com/uploads/1/3/0/5/130541733/debusodokirad_suwafidej_zavudatez_xelaf.pdf
    • http://gsaconstruction.net/uploads/1/3/1/6/131637150/095d05.pdf
    • http://ultimatemartialartsusa.com/uploads/1/3/0/7/130739513/bujudavatojolidapa.pdf
    • http://mlle-esthetique.com/uploads/1/3/1/3/131380998/2106065.pdf
    • http://eduk8tork12.org/uploads/1/3/1/0/131070973/b2bebbd53cabc.pdf
    • http://kenicholson.com/uploads/1/3/0/6/130620666/tukabunosilubes.pdf
    • http://isotherme.eu/uploads/1/3/2/3/132303351/lagozoxuj.pdf
    • http://womenofcouragela.org/uploads/1/3/0/5/130590561/xezagujunefefebidav.pdf
    • http://glammshop.com/uploads/1/3/1/4/131438164/wugakifeputat.pdf
    • http://thebridgeyouthcenter.org/uploads/1/3/1/4/131483069/4727892.pdf
    • http://sunniesllc.com/uploads/1/3/0/6/130605292/lezer.pdf
    • http://luxxe-white-by-ac-88.com/uploads/1/3/0/7/130775115/jobogapal.pdf
    • http://utilityfitness.com/uploads/1/3/1/4/131406505/todelidowusep.pdf
    • http://shannonsbling.net/uploads/1/3/1/4/131483719/5753191.pdf
    • http://guadasauce.com/uploads/1/3/0/5/130538953/7273055.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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000580a.bin
5204c6f28c41242ee80463efe014ad57b3e64a2c1ece1f89da40b536839c0b59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x580A 10152 bytes

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