Malicious PDF — malware analysis report

Static analysis result for SHA-256 50ce30b776488fea…

MALICIOUS

PDF

45.3 KB Created: 2020-03-31 00:55:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e0857d79d762658609f7ee9120c1369 SHA-1: ec16dd2d16b076c0873429ad1917b7cf40acbc7e SHA-256: 50ce30b776488feaa3a830322b9a75dbf58668d7a1f576c21aa2ecf44361ce9b
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external PDF files, a common tactic for SEO poisoning or distributing malicious content. The document body mentions 'Seattle youth employment program', likely a lure to attract victims. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with 'saternamusic.com' being the dominant host. No scripts were extracted from this sample, but the extensive link farm suggests a distribution mechanism for further malicious payloads.

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://marconettzoo.com/uploads/1/3/0/5/130539516/130539516.html#seattle+youth+employment+program
    • http://saternamusic.com/uploads/1/3/0/4/130476830/d2a30332a.pdf
    • http://truegritrealtygroup.com/uploads/1/3/0/6/130621846/7245779.pdf
    • http://naomistyleboutique.org/uploads/1/3/0/2/130272886/5329866.pdf
    • http://michelpelletier-author.com/uploads/1/3/0/8/130813866/jedenumovijidog.pdf
    • http://trusttheprocesscleaning.com/uploads/1/3/0/4/130476162/0e0fe4.pdf
    • http://cleancozyauthors.com/uploads/1/3/0/5/130539414/efdf5fbf3b2b22.pdf
    • http://siersconstruction.org/uploads/1/3/0/5/130588502/6999686.pdf
    • http://troop217.org/uploads/1/3/0/6/130604885/faloroxusa.pdf
    • http://peggyscove.info/uploads/1/3/0/5/130590413/lojulelaro_wejokejevu.pdf
    • http://dmvcontractingllc.com/uploads/1/3/0/4/130483770/7617933.pdf
    • http://hoppipop.com/uploads/1/3/1/4/131413718/vakinedogax.pdf
    • http://synchrocentral.com/uploads/1/3/0/3/130313343/zajifinobon_jovija.pdf
    • http://spi-cibernetica.com/uploads/1/3/0/5/130589000/borogodoselaw.pdf
    • http://stkildamds.com/uploads/1/3/0/4/130489830/864551.pdf
    • http://tripleauniqueclothing.com/uploads/1/3/1/3/131383949/2559845.pdf
    • http://athenswok.com/uploads/1/3/0/4/130483926/9110764.pdf
    • http://mquest.space/uploads/1/3/1/1/131163737/9bf8897.pdf
    • http://daviderook.com/uploads/1/3/0/5/130551611/b99307d.pdf
    • http://jodimerkdesign.com/uploads/1/3/0/6/130603986/2158879.pdf
    • http://honeysuckleanddaisycottage.com/uploads/1/3/0/5/130588957/bugugapajajidobiwav.pdf
    • http://starterconnect.net/uploads/1/3/0/6/130622092/f027e0cf04835.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000727e.bin
413a4a0f5e9c3d0312648a7a47949d6f87ceebd3b39bc36aa4d0659c7205ba7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x727E 8168 bytes
font_01_sfnt_off00009223.bin
f19dc41d490b60033b52f2fdde74623f1ba9924597607807c173cf149651756c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9223 16060 bytes

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