Malicious PDF — malware analysis report

Static analysis result for SHA-256 bde65dfafcddd067…

MALICIOUS

PDF

44.9 KB Authoring application: pdf-parser
MD5: 0710788ed9699e1b47d8faa94a8d553a SHA-1: a74227bbd6d04cfd7f70bdb34390e93a0c0ada34 SHA-256: bde65dfafcddd06774d0d4d02bb172558b5a84c07a49d411b437a529f75f1648
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, identified as a "PDF_SEO_LINK_FARM" heuristic. This suggests the document's primary purpose is to redirect users to a network of other PDF files hosted on various domains. The ClamAV detection and ML classifier further confirm its malicious nature, likely related to phishing or traffic redirection. No scripts were extracted from this sample.

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://yogabyamandaretreats.co.nz/uploads/1/3/0/6/130604782/4586013.pdf
    • http://rapidcitywebsites.com/uploads/1/3/0/4/130435763/pixatawidejux-kidilexebaxo-darusamidasod.pdf
    • http://sweetdreamsmarin.com/uploads/1/3/0/6/130604169/rewazavipifovaga.pdf
    • http://lindsay-noble.com/uploads/1/3/0/3/130379351/493996.pdf
    • http://mindful-empowerment.ca/uploads/1/3/0/3/130313588/2183bd168dd2d9c.pdf
    • http://mjjam.net/uploads/1/3/0/7/130740113/02238.pdf
    • http://happyhornet.com/uploads/1/3/0/6/130639803/5454599.pdf
    • http://acomputerconsultant.com/uploads/1/3/0/7/130740375/nabinajutebab.pdf
    • http://imagodeisociety.net/uploads/1/3/0/5/130539517/fomezidimor.pdf
    • http://smokebrushfoundation.net/uploads/1/3/0/2/130274376/dilideke-xigitilulepabu-rapodixipajovik-jugebub.pdf
    • http://mackenzieemievents.com/uploads/1/3/0/5/130551559/zaratanife.pdf
    • http://bluewaternrhs.org/uploads/1/3/0/2/130289655/fomosare.pdf
    • http://alittlesernity.shop/uploads/1/3/0/2/130274032/6373812.pdf
    • http://oneclick-photographer.com/uploads/1/3/0/6/130620391/43e967c.pdf
    • http://koppsinmalawi.com/uploads/1/3/0/6/130603822/zuvaxakadudadi.pdf
    • http://bostoncontracting.store/uploads/1/3/0/5/130539756/d493eb8.pdf
    • http://pronetworks.us/uploads/1/3/0/2/130289320/batilogiwomigiz_puxogofidudimev.pdf
    • http://sweetlyavas.com/uploads/1/3/0/6/130639201/vuxininofabiro-larobujijiguvel.pdf
    • http://derekloginoffshoretrust.com/uploads/1/3/0/5/130588556/gimufuduz.pdf
    • http://site.diamantinc.ca/uploads/1/3/0/6/130604368/vofafavig-wurorubusepok.pdf
    • http://affinitytraining.net/uploads/1/3/0/5/130590672/c84247.pdf
    • http://ourbaptistheritage.org/uploads/1/3/0/3/130379078/xafalulivuvoxipadubi.pdf
    • http://rogersbellappleiphonereadreceiptssamsung.com/uploads/1/3/0/5/130588740/deee69b1ff25.pdf
    • http://www.alpinelegendspixiebobs.net/uploads/1/3/0/5/130588403/130588403.html#uterus+ablation+reviews

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b27.bin
ed3262fa38aba11cc3e4d66b1442659c482c53bb8bbeb94561d28256499dcd6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B27 9052 bytes

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