Malicious PDF — malware analysis report

Static analysis result for SHA-256 927cc2275610ddbf…

MALICIOUS

PDF

35.2 KB Created: 2020-05-22 04:41:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01639c9f88f5f074721f1bfd8f56610e SHA-1: 3d67974eea8b5199134f5139ccc0beb5dbc9e7e7 SHA-256: 927cc2275610ddbf95ac1fa687c667506b3483f8042fae336ffe0a8c8fe5321b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains text related to a '2001 bombardier traxter 500 service manual', which likely serves as a lure. The ML classifier strongly indicated maliciousness. The primary attack pattern involves redirecting users to potentially malicious content hosted on various domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • 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://74-123-76-50.mgwnet.com/uploads/1/3/1/1/131164507/131164507.html#2001+bombardier+traxter+500+service+manual
    • http://amobilis.fr/uploads/1/3/1/3/131383042/8784369.pdf
    • http://1andonlyhomecareinc.com/uploads/1/3/1/3/131398094/32783625ee.pdf
    • http://deadonarmslv.com/uploads/1/3/0/2/130272232/gopofopa.pdf
    • http://tactechsolution.com/uploads/1/3/0/4/130488169/4325139.pdf
    • http://elizabethbukey.com/uploads/1/3/0/5/130550859/fevapo.pdf
    • http://nancylipschultz.com/uploads/1/3/1/0/131069777/3523382.pdf
    • http://esidconsulting.com/uploads/1/3/1/1/131164472/monul_mipugamer_rimolusuvi.pdf
    • http://michaelrussellsferlazza.com/uploads/1/3/0/4/130489564/8b7317.pdf
    • http://firstheaven.net/uploads/1/3/1/4/131438062/de3cfac86affdfc.pdf
    • http://odiumrise.com/uploads/1/3/0/2/130291441/9436443.pdf
    • http://mnproducciones.com/uploads/1/3/0/7/130776054/3a7bec.pdf
    • http://cornerstonespm.com/uploads/1/3/0/7/130776269/5899061.pdf
    • http://theparsonsfieldband.com/uploads/1/3/0/7/130739023/jemowamisesaf_zonamuzifez.pdf
    • http://pocazucca.com/uploads/1/3/0/7/130739917/suniderumefo.pdf
    • http://mayrivermadeup.com/uploads/1/3/1/8/131857598/ketadaximisaximo.pdf
    • http://yourfuturestartsathome.com/uploads/1/3/0/7/130739661/lutatilizuwur_jifodetulep.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_off00005ea4.bin
46a344447b671f56b9d10300d4a9ed153c5a3a7a187f327f58a4be74f382b67d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA4 10156 bytes

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