Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6dcdb152750d593…

MALICIOUS

PDF

52.3 KB Created: 2020-03-11 07:53:31 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 38a05c1c7bad2092e088c0b4c4f74eb6 SHA-1: 30a08f31b8e3a08c194bf8f599d6d13142bc6a88 SHA-256: a6dcdb152750d59360cb75b8d76a076a147d07363bffb90597ba5fa9327dbf21
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document contains a large number of external links, many pointing to PDF files with numeric slugs, indicative of a link farm or SEO abuse. The document body, though heavily obfuscated, contains a reference to 'Gta 5 phone cheat codes xbox 1' and a URL that also contains this phrase, suggesting a lure. The 'SE_CALLBACK_LURE' heuristic firing confirms the presence of a callback phishing or tech-support scam pattern, likely intended to trick the user into calling a fraudulent number. No scripts were extracted from this sample.

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://fgexperts.fr/uploads/1/3/0/6/130604834/130604834.html#gta+5+phone+cheat+codes+xbox+1
    • http://shopcharlienewyork.com/uploads/1/3/0/6/130620594/f0b21cdf406630.pdf
    • http://www.dirisfattendee.com/uploads/1/3/0/6/130620849/jevibusarabis.pdf
    • http://alabamaservicedogs.com/uploads/1/3/0/5/130543848/fofuxulidaxez.pdf
    • http://www.wildmanbob.net/uploads/1/3/0/9/130969934/d543cefe239f820.pdf
    • http://shotsbytinu.com/uploads/1/3/0/6/130620948/zivizew.pdf
    • http://turnbyturnweather.com/uploads/1/3/0/4/130483634/4766791.pdf
    • http://zelins.website/uploads/1/3/0/5/130546880/gobepevamugog-safivipazef-tudezu.pdf
    • http://accreditation.oneclay.net/uploads/1/3/0/2/130289772/mubajuti.pdf
    • http://prudencemoonweather.com/uploads/1/3/1/0/131070113/powufatuva_woxaxifabokejo_jiripug_gadukip.pdf
    • http://resistingtrump.org/uploads/1/3/0/7/130776828/birerepemosijinum.pdf
    • http://www.innovationthrives.com/uploads/1/3/0/2/130288498/3127544.pdf
    • http://mail.okanaganautoloans.com/uploads/1/3/0/6/130639651/sejel-fivasatur.pdf
    • http://www.simplylavishskin.com/uploads/1/3/0/5/130551390/cf687f9.pdf
    • http://pastimepooltables.com/uploads/1/3/0/6/130604105/17ed5ed6e8.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_off0000a3ca.bin
78f8b9dbe5baaead40d766cd62c237846719949430630a25b184d0a232c1ec2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA3CA 7884 bytes

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