Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe38372125b27dcf…

MALICIOUS

PDF

35.3 KB Created: 2020-03-20 02:57:30 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 58266716cbac5fb71e1a93710b8ddbf0 SHA-1: c795a81c9f7203730502fc23dcdb5bdf1d7c7d7d SHA-256: fe38372125b27dcfcea1b8f25b0fb87b326e32ee2d568d7cc54b33952f1f8495
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF document contains a large number of external links, many pointing to PDF files, suggesting a link farm or SEO poisoning tactic. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick the user into calling a phone number, consistent with callback phishing or tech support scams. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious activity.

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://jackgoucherandsonsroofing.net/uploads/1/3/0/4/130476944/130476944.html#my+online+camp+admin
    • http://weinellmachine.net/uploads/1/3/1/0/131070718/jelodukikopugorinipe.pdf
    • http://thesockingdead.com/uploads/1/3/0/3/130379959/papojotemew_kewivegobonij_wemoluw.pdf
    • http://nwm6.club/uploads/1/3/0/5/130544230/8792372.pdf
    • http://fournetbuildingmats.com/uploads/1/3/0/5/130588328/7447633.pdf
    • http://www.mustangmach1auto.com/uploads/1/3/0/6/130620971/nagobijiwomikutawuk.pdf
    • http://alanaraqs.com/uploads/1/3/0/4/130488105/5318594.pdf
    • http://www.stjosephelkoym.com/uploads/1/3/0/8/130813413/4472498.pdf
    • http://itavuvu.com/uploads/1/3/0/7/130739185/cf49c5e2131bc.pdf
    • http://stripclubsnetwork.com/uploads/1/3/0/6/130621374/1772958.pdf
    • http://throughalexaslens.com/uploads/1/3/0/6/130620813/748735.pdf
    • http://sandiegoschooloffootball.com/uploads/1/3/0/6/130604034/genozezepot.pdf
    • http://katmarie93.com/uploads/1/3/0/6/130621105/pubapamodifowo.pdf
    • http://secretbible.com/uploads/1/3/0/6/130621114/3007203.pdf
    • http://www.classiccoffee.shop/uploads/1/3/0/8/130813461/novagomasuroxat.pdf
    • http://jonathantannen.com/uploads/1/3/0/5/130588412/5478615.pdf
    • http://roperlawoffice.com/uploads/1/3/0/2/130274322/nuran_lesub_xunowoxelaka.pdf
    • http://halowenamioty.pl/uploads/1/3/0/7/130739488/sugovawix-nezatukegurilim.pdf
    • http://www.theartofgentletouch.co.uk/uploads/1/3/0/6/130604701/mewelufudel.pdf
    • http://peristorm.com/uploads/1/3/0/7/130739910/wuxakaxegobuxosun.pdf
    • http://homeonthefjord.com/uploads/1/3/0/6/130620929/zafaf.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_off0000627c.bin
e3b0009d8979ccba0039a1db36484e6852acad1a1910b2004cb33f70c33dc866		 pdf-font-stream PDF embedded font (sfnt) at offset 0x627C 7468 bytes

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