Malicious PDF — malware analysis report

Static analysis result for SHA-256 56229623be3635f2…

MALICIOUS

PDF

44.4 KB Authoring application: QPDF
MD5: ff955af39c273544d654ba5627d4b2cc SHA-1: f73e95fa09df50952364e9e3cadf876f36d45d2f SHA-256: 56229623be3635f2b9625aed6192d595649fea2090837e1a170b27b4ec89b282
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO poisoning or directing users to malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The document body content is heavily obfuscated and unreadable, providing no additional context.

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://mrdryit.com/uploads/1/3/0/6/130621645/5814676.pdf
    • http://auctioncincy.com/uploads/1/3/0/6/130621367/777fe27430d9d5.pdf
    • http://band-ems.org/uploads/1/3/0/2/130287727/6814296.pdf
    • http://sacredcirclecounseling.com/uploads/1/3/0/6/130621359/dawudobupokoxi.pdf
    • http://xutodes.store/uploads/1/3/0/5/130539554/gajakumuzun_mizedudezazop_jodexe.pdf
    • http://batonrougehomeinspector.org/uploads/1/3/0/2/130291596/ea6a7a56f43188.pdf
    • http://alaskaandhacheries.com/uploads/1/3/0/6/130621397/gomodamitasa.pdf
    • http://millbourneresidentsassociatiom.com/uploads/1/3/0/6/130621446/mapenoxamefur.pdf
    • http://strmopus.com/uploads/1/3/0/5/130551694/wudoxap-joned-wugigepuwem-lonotu.pdf
    • http://passionatepursuit.net/uploads/1/3/0/4/130489143/d1723707187a6ea.pdf
    • http://calusacoffee.com/uploads/1/3/0/6/130620627/2517943.pdf
    • http://elephantesports.com/uploads/1/3/0/7/130776363/zufamutabumap.pdf
    • http://lahabratamalefestival.org/uploads/1/3/0/6/130604056/jadoga-sevipoju-saweluvajepi-kowipi.pdf
    • http://kathleencurry.net/uploads/1/3/0/4/130436234/7872449.pdf
    • http://74-123-73-20.mgwnet.com/uploads/1/3/0/8/130874437/130874437.html#enterobacter+catalase+test
    • http://mrdryit.com/uploads/1/3/0/6/130621645/581

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030bb.bin
4e9ae17c41f053e7ad2cff4c16f4465db96732130fdde230725ded2fe80853ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30BB 3156 bytes
font_01_sfnt_off00003b2e.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B2E 16036 bytes
font_02_sfnt_off0000527f.bin
bde93e498e700a19814aec732e1a15f447d2f1e8f6d454b8d13bf15e1567ce65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x527F 8264 bytes

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