Malicious PDF — malware analysis report

Static analysis result for SHA-256 17977459f121f4c2…

MALICIOUS

PDF

39.3 KB Authoring application: OpenOffice.org
MD5: 335d9f7da7b83f821ef3d743c7577141 SHA-1: c5850facf4b6a801409fd24e12c1d9f41bf8c32d SHA-256: 17977459f121f4c20a80c61dcd82d000f1dbdf0dcc2eb719fbeff623f2a44b59
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate maliciousness, classifying it as Pdf.Phishing.TtraffRobotInstall. No scripts were extracted, but the primary attack pattern involves directing users to a network of suspicious PDF files hosted on various domains.

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://accentbrass.com/uploads/1/3/0/5/130543868/fakizilibexajef-fowupomolapadek-lokinuse-zamupomixe.pdf
    • http://fatherofsafety.com/uploads/1/3/0/6/130639373/punidakaxub_kugoba.pdf
    • http://vgcatalog.com/uploads/1/3/0/5/130551639/9705962.pdf
    • http://shelburne-vineyard-shop.com/uploads/1/3/0/6/130639183/fozelilobike_zukut_mixewix_zepevifawujej.pdf
    • http://www.jayworks.org/uploads/1/3/0/4/130483207/a96667ae427de9b.pdf
    • http://openairsoultions.com/uploads/1/3/0/7/130775818/zokivebamefoguwirax.pdf
    • http://fruithousebakery.com/uploads/1/3/0/2/130274151/xopezugulutozip.pdf
    • http://truedefensepdr.com/uploads/1/3/0/5/130543020/takisug-wavunemoluwa-gajuwifoxate.pdf
    • http://remade.info/uploads/1/3/0/8/130814040/f47166cf25ba8e.pdf
    • http://kaylanilive.com/uploads/1/3/0/4/130476423/8882751.pdf
    • http://kkyulekaihu.br3h.com/uploads/1/3/0/8/130873975/7333314.pdf
    • http://villascotti.com/uploads/1/3/0/7/130775961/7893f.pdf
    • http://amazingloveforever.com/uploads/1/3/0/4/130490665/derugox_ruzezotelirozir.pdf
    • http://www.senseexperience506.com/uploads/1/3/0/6/130605383/muwol.pdf
    • http://ljocustomcabinets.com/uploads/1/3/0/8/130813722/5be0f.pdf
    • http://maverickworldtravel.voyagerwebsites.com/uploads/1/3/0/7/130738871/130738871.html#urine+5-hydroxyindoleacetic+acid+test

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b17.bin
468dc370bc3db850015837c28419a1f8edade32a484a81582b3b27b217ee2f07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B17 9740 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.