Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d2464bd364df250…

MALICIOUS

PDF

37.3 KB Authoring application: Serif PagePlus
MD5: 30d3b2172a4b8152e80bd07c576d7d65 SHA-1: 17d798205a9a42e571e020805f9a5674a55479c9 SHA-256: 6d2464bd364df25037ed67432feff5c64f2b5f28ce5bba1237e95d81787fe92e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. The ClamAV detection and ML classifier strongly indicate maliciousness, with the links likely serving to distribute further malware or engage in SEO abuse. No scripts were extracted from this sample, but the presence of numerous URLs suggests a content-distribution or redirection attack.

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://thefoothillstrails.com/uploads/1/3/0/4/130491063/6036022.pdf
    • http://lordoftheblocks.com/uploads/1/3/0/3/130379158/21526.pdf
    • http://drainetfissures.com/uploads/1/3/0/6/130605338/c6bfcf22871a19.pdf
    • http://hopeshouseresale.com/uploads/1/3/0/6/130603873/vomenovop_mixofibake.pdf
    • http://veraspencer.com/uploads/1/3/0/4/130435635/d99e841d56d0b.pdf
    • http://scoopsmunchiesnmore.com/uploads/1/3/0/6/130603834/36f0c85f2e0b02c.pdf
    • http://mfgm.de/uploads/1/3/0/6/130603913/6d651671781b39.pdf
    • http://www.meghamprints.com/uploads/1/3/0/8/130814575/lekikik-kojutinufuzofo-jijosawek.pdf
    • http://somorra.com/uploads/1/3/0/6/130604405/52ced2761a1e3c2.pdf
    • http://apoaaxi.org/uploads/1/3/0/7/130776416/a9f15.pdf
    • http://metairievolvo.com/uploads/1/3/0/6/130621167/nowimago.pdf
    • http://mldreamscape.com/uploads/1/3/0/5/130543453/wawogivofaxu.pdf
    • http://www.lifness.com/uploads/1/3/0/6/130620968/5899db27537aa14.pdf
    • http://tilwo.com/uploads/1/3/0/5/130589353/tekur-mujan-narurisanoj-fujekugufavub.pdf
    • http://beckiegkengle.com/uploads/1/3/0/6/130621944/5229944.pdf
    • http://tolpig.com/uploads/1/3/0/8/130813059/abfff45af963.pdf
    • http://www.maxhardwoodfloors.com/uploads/1/3/0/6/130603976/146b1876db1f.pdf
    • http://arlingtonmeet.com/uploads/1/3/0/7/130775837/6423677.pdf
    • http://allimaccomputers.com/uploads/1/3/0/3/130313390/6f82b484c131b09.pdf
    • http://zo2yd.slpny.com/uploads/1/3/0/8/130813063/130813063.html#ignition+coil+b+primary+control+circuit%2Fopen

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000344a.bin
59ff9f947821a6871b51a37c7c83da20f59fab8053b0962dd140068811285f66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x344A 7524 bytes

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