Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d09871efeb53db…

MALICIOUS

PDF

39.8 KB Authoring application: ImageMagick
MD5: b7767b8878a30e6762eecf5b6adea529 SHA-1: 57e3170efe8b96dc29332c302992058fbe1b970f SHA-256: 68d09871efeb53db29e281aba0e94b41d6d8cc975d73065d37507e7c525b8c21
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. ClamAV and ML classifiers also flagged this file as malicious, specifically identifying it as a phishing or redirection attempt. The embedded links likely serve as a lure to download further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://seabeyond.org/uploads/1/3/0/6/130604332/tikepudesek.pdf
    • http://terrapin-llc.com/uploads/1/3/0/5/130551794/9086439.pdf
    • http://ritayost.com/uploads/1/3/0/5/130543874/jepilezenix-poxewarukopav-lofazosetimos-vivemukunoxonol.pdf
    • http://turkeycreekretrievers.com/uploads/1/3/0/7/130738819/dugiputonamafo-piloxapoli-vipagapumuro.pdf
    • http://hostmaster.immaginepca.com/uploads/1/3/0/5/130547207/xabodugok.pdf
    • http://leadinlife.press/uploads/1/3/0/7/130738620/772de2.pdf
    • http://mikeshurig.com/uploads/1/3/0/3/130379271/feziwiwavomun_wejuxivibesifa_nasisonipen.pdf
    • http://royalorleansresort.com/uploads/1/3/0/2/130273766/petedidizojud_finowirate.pdf
    • http://cheshiregrimm.net/uploads/1/3/0/3/130323884/tupifaxud-golezibiso-garoxaxefokel.pdf
    • http://www.annaparkernaples.com/uploads/1/3/0/2/130288707/2819178.pdf
    • http://cordiaaladvies.nl/uploads/1/3/0/7/130739917/3523413.pdf
    • http://www.l�robyr�n.se/uploads/1/3/0/3/130313453/lulepunajinunu_gedekijabud.pdf
    • http://bestflooringco.com/uploads/1/3/0/7/130776712/790b65042.pdf
    • http://www.rearviewmotors.com/uploads/1/3/0/3/130323341/744098df.pdf
    • http://pitrend.net/uploads/1/3/0/5/130590589/5090579.pdf
    • http://peakathleticsystems.com/uploads/1/3/0/5/130590525/130590525.html#contingency+theory+of+leadership+trait
    • http://www.xn--lrobyrn-5wao.se/uploads/1/3/0/3/130313453/lulepunajinunu_gedekijabud.pdf
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000028be.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28BE 16204 bytes
font_01_sfnt_off00004091.bin
5ea543eb1ca1331ad8216f20df2f9fe57e3dfa1d252e6a59bc0fb05c03fcb694		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4091 7896 bytes

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