Malicious PDF — malware analysis report

Static analysis result for SHA-256 702f8313df32d24b…

MALICIOUS

PDF

37.9 KB Authoring application: OpenOffice.org
MD5: faeb80dea78ee7f3b3db655692e48850 SHA-1: 352ba596c84b229b9b6070dc0dd0b2b4400eaafd SHA-256: 702f8313df32d24b4de93bd7ae0d4bb370ee87daea317cf86cde1267517bb29c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to manipulate search engine results or distribute additional malicious content. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://asburycropfarm.org/uploads/1/3/0/2/130273893/fajifupome-vuxudiwidafi.pdf
    • http://ninjasrs.com/uploads/1/3/0/4/130476143/xazukuzidi-pevulu-fokur-koxudixorajeg.pdf
    • http://parnelldrum.studio/uploads/1/3/0/6/130620561/5527185.pdf
    • http://printroom231.com/uploads/1/3/0/5/130540082/832800.pdf
    • http://www.yourtimelessevents.com/uploads/1/3/0/6/130621312/602d71983fb.pdf
    • http://carolbernabelorganiza.com/uploads/1/3/0/7/130739340/7727037.pdf
    • http://listingrank.com/uploads/1/3/0/6/130603749/busekolade_rogazub.pdf
    • http://noblescounseling.com/uploads/1/3/0/5/130590355/novawevativosu.pdf
    • http://bangmeproductions.com/uploads/1/3/0/8/130814859/fetoba_kipufi_panupajanofejo.pdf
    • http://myviccas.com/uploads/1/3/0/5/130588864/6295756.pdf
    • http://theoilymixer.com/uploads/1/3/0/7/130776167/3d5c7a5.pdf
    • http://tradinggains.com/uploads/1/3/0/4/130476760/juxivotizini_niniguvez_paxijeji.pdf
    • http://kiddishop.org/uploads/1/3/0/9/130969403/vonas.pdf
    • http://jackrthompson.net/uploads/1/3/0/7/130776197/loninijawu.pdf
    • http://www.sparrowgalleryerie.com/uploads/1/3/0/9/130969042/fomakaxiruziroluv.pdf
    • http://www.betonvalue.de/uploads/1/3/0/4/130489075/sotewa.pdf
    • http://fruithousebakery.com/uploads/1/3/0/4/130435688/52be7633b89.pdf
    • http://wingchunboxing.com/uploads/1/3/0/5/130589219/sufozadojo-nusoxudiwi-zitirubabot-tamavuberemif.pdf
    • http://amberandjane.com/uploads/1/3/0/9/130969722/bisasasebaxu.pdf
    • http://starfrontweb.com/uploads/1/3/0/5/130588787/suvadibabukore.pdf
    • http://barkleypet.com/uploads/1/3/0/5/130543240/movafidavigokoxig.pdf
    • http://advanceitsolution.net/uploads/1/3/0/3/130379597/9424617.pdf
    • http://mta-sts.mail.discoelectroson.com/uploads/1/3/0/7/130739777/zomevinu-makezogux-xigonerofotor-gabajozinikuval.pdf
    • http://giantesscomicsfatergd.com/uploads/1/3/0/8/130874497/7b6d96b.pdf
    • http://woodcock.nl/uploads/1/3/0/3/130323318/jeximu-mavavedoz-tuxiborok-pikejedof.pdf
    • http://74-123-78-123.mgwnet.com/uploads/1/3/0/4/130483587/130483587.html#reading+comprehension+6th+grade+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003113.bin
131b698b218d3006ccf7445d863b5f8b618f81b96b177543aa47f55b6342f391		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3113 7272 bytes

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