Malicious PDF — malware analysis report

Static analysis result for SHA-256 792fbe71c7fa936d…

MALICIOUS

PDF

44.8 KB Created: 2020-03-11 02:29:33 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ff045d0222017f0c45732b77f3f43fd0 SHA-1: bf304053ed4cf78ba2433fe97e68c47c3a2d4099 SHA-256: 792fbe71c7fa936dd50fcc2e1609d0286be5be6c14eeed94a9fd099c770a1e88
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to domains that appear to be part of a link farm. The document body text, though partially corrupted, includes the phrase "Mac insert jpg into pdf" and references the wkhtmltopdf tool, suggesting a lure to a fake guide. The primary intent appears to be directing users to malicious websites through a deceptive pretext.

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://xnf6v6.bdgct.com/uploads/1/3/0/2/130272580/130272580.html#mac+insert+jpg+into+pdf
    • http://campingdishwasher.com/uploads/1/3/1/0/131070711/490dcd3cbc.pdf
    • http://localwebsite.design/uploads/1/3/0/7/130739446/temudurigovamup_pokozunok.pdf
    • http://74-123-72-66.mgwnet.com/uploads/1/3/0/7/130776063/3c9bdfa94c0f50.pdf
    • http://berardinotherealtaste.com/uploads/1/3/0/8/130873941/40c50d9ece8d36.pdf
    • http://laughon-me.brykayne.com/uploads/1/3/0/2/130270745/491591.pdf
    • http://garagecustomsbaitcompany.com/uploads/1/3/0/9/130969565/4398795.pdf
    • http://refreshmymarketing.com/uploads/1/3/0/8/130814877/famanexa.pdf
    • http://montgomerycommunityfoundation.org/uploads/1/3/0/5/130590478/doruwukizaxi_zabisarizekumo.pdf
    • http://novacabinetanddecor.com/uploads/1/3/0/8/130813897/4915060.pdf
    • http://seelooinc.com/uploads/1/3/0/8/130813539/3785289.pdf
    • http://mountainofgod.org/uploads/1/3/0/7/130775063/2525779.pdf
    • http://southlandmobilenotary.com/uploads/1/3/0/5/130539583/xusixabunazazu-fapekufo-sijokapelamimof.pdf
    • http://classiccabinetskb.com/uploads/1/3/0/6/130639653/90668d03a2baf89.pdf
    • http://meyerpaintingcompany.com/uploads/1/3/0/7/130739663/966a8bf315.pdf
    • http://www.playtennissf.com/uploads/1/3/0/9/130969298/poreratatujo_nurusafa_jofuzefo_zuxegakas.pdf
    • http://primenailsandbeauty.com/uploads/1/3/0/6/130604547/f36ded36387d.pdf
    • http://www.rozaabyssinica.com/uploads/1/3/0/6/130639424/lamafeb.pdf
    • http://beckiwhite.com/uploads/1/3/0/2/130272254/d6c95da776aafb.pdf
    • http://dlhp-solutions.com/uploads/1/3/0/4/130476878/508b5677.pdf
    • http://stampintracy.com/uploads/1/3/0/7/130740235/23226.pdf
    • http://mwvrc.org/uploads/1/3/0/5/130543053/resevim.pdf
    • http://storymarker.com/uploads/1/3/0/4/130435930/5e7b7cfa5976.pdf
    • http://prestigepropertyimprovementsltd.com/uploads/1/3/0/3/130323516/fisozojelawuvav.pdf
    • http://run4causes.com/uploads/1/3/0/5/130550936/5416905.pdf
    • http://run4causes.com/u
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000728a.bin
6079d1ef95f0385ced9851449baf46c54a19b51440c0c0dc2d5400c744890654		 pdf-font-stream PDF embedded font (sfnt) at offset 0x728A 7324 bytes
font_01_sfnt_off00008f72.bin
ff27d99f049fa5ec83b4c3710afe1f9aee00eb20942a9349d435d4ca5ad10f97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F72 16388 bytes

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