Malicious PDF — malware analysis report

Static analysis result for SHA-256 f359a394b38381a9…

MALICIOUS

PDF

53.1 KB Created: 2020-04-16 00:40:07 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 890b7913f20ea45e5f1222faf97eacfc SHA-1: b845c66c292e57e2974caa427c8c70a0d0ae201b SHA-256: f359a394b38381a9578443c214c0bbb88deccc36ddcacd44fdd019d412bc3c85
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, indicative of a link farm or SEO spamming technique. One of the primary URLs, http://msdeckersbeehive.com/uploads/1/3/0/2/130287504/130287504.html#interesting+questions+answers+in+urdu, suggests a lure related to 'interesting questions answers in urdu'. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests this is a malicious attempt to drive traffic to numerous sites, likely for advertising fraud or to host further malicious content.

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://msdeckersbeehive.com/uploads/1/3/0/2/130287504/130287504.html#interesting+questions+answers+in+urdu
    • http://carelinkhealthcarelimited.net/uploads/1/3/0/5/130539338/5088623.pdf
    • http://marcmontala.com/uploads/1/3/0/8/130874339/2981761.pdf
    • http://getshit420.com/uploads/1/3/0/5/130550703/3838889.pdf
    • http://donmappin.net/uploads/1/3/0/2/130288416/63628879b.pdf
    • http://gadgets-4-coffeelovers.com/uploads/1/3/0/9/130969200/5611690.pdf
    • http://glomax-europe.com/uploads/1/3/0/6/130639045/zipabe.pdf
    • http://lizziemahoneypaintings.net/uploads/1/3/1/6/131606271/julatawinepixov_jexopani_nofuda.pdf
    • http://renaissancepaintservices.com/uploads/1/3/0/6/130621385/woweloxumado.pdf
    • http://durkeekitchens.com/uploads/1/3/1/4/131406390/wuvopevejejaderepi.pdf
    • http://westaustraliancaterers.com/uploads/1/3/0/6/130621335/xufefut.pdf
    • http://classic-christine.com/uploads/1/3/0/7/130776737/403e9ca0d53bc58.pdf
    • http://ticket-sail-amsterdam.amsterdam/uploads/1/3/0/5/130539227/setewenasiwugob-lezibedogukiwip-sonorofarikekel-buwesewuvu.pdf
    • http://peaceloveyogaindex.com/uploads/1/3/0/3/130323803/04d54121ef7.pdf
    • http://withachildsheartllc.com/uploads/1/3/1/0/131070652/mukip.pdf
    • http://rorybledsoe.com/uploads/1/3/0/6/130640132/bisabajejifex.pdf
    • http://getshit420
    • 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_off0000a958.bin
d1f8236fb744a0f8230b5addb58eb4420ff956a4e8c3fce3884c60422ff6e997		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA958 8044 bytes

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