Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b292601425304da…

MALICIOUS

PDF

66.0 KB Created: 2020-04-03 17:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 242ac2f673db17ea9fa5059dbd6c5579 SHA-1: 72a1e0a57e63cc85e13cdcee88dfd259878655f5 SHA-256: 5b292601425304da0e889c54209e1e93ba16eae38a563fb637dc3c4ce74ae8a8
152 Risk Score

Malware Insights

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

The PDF document contains numerous external links, characteristic of a link farm designed to host malicious content. The document body, though partially obfuscated, references 'Contract for deed form arizona' and is associated with heuristics indicating an advance-fee scam lure. The presence of many external PDF links suggests the document is intended to redirect users to further malicious sites or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 http://teshuvah.international/uploads/1/3/0/8/130874679/130874679.html#contract+for+deed+form+arizona
    • http://thebestinfitness.com/uploads/1/3/1/4/131406811/de1de043bf.pdf
    • http://ix-f.org/uploads/1/3/1/0/131069970/taxulapemuved.pdf
    • http://whatsgoingondc.com/uploads/1/3/0/6/130639607/mowelurumo_livasot_xesoxepudavover.pdf
    • http://ritualcoffeebar.com/uploads/1/3/0/6/130604768/7619928.pdf
    • http://stuffedinbozeman.com/uploads/1/3/0/7/130739253/1adebdd76.pdf
    • http://acntravelgroupllc.com/uploads/1/3/0/6/130604379/02e29806.pdf
    • http://curtisjrdesigns.com/uploads/1/3/0/6/130604065/sivunesudo.pdf
    • http://dianaouellette.com/uploads/1/3/0/7/130775792/ef0acf2b98f597.pdf
    • http://rebuildergroup.com/uploads/1/3/1/4/131437831/8bff57.pdf
    • http://goodywest.com/uploads/1/3/0/6/130621751/jedejiwisoreji.pdf
    • http://locomotionandcontrolslab.com/uploads/1/3/0/6/130640104/cefcb0f928d66f2.pdf
    • http://icgglobal.org/uploads/1/3/0/4/130483178/zijazotap_pavudam.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_off0000dac3.bin
9fae9863da2d544df73720aa13b0547dcadb46a91c0b1b3657431ff8c4122939		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDAC3 7868 bytes

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