Malicious PDF — malware analysis report

Static analysis result for SHA-256 0117949b58b72cd7…

MALICIOUS

PDF

42.1 KB Authoring application: Smallpdf Desktop
MD5: 65c2ad1fb8eb515bda021f2a7d07ae5e SHA-1: f6d3f4d1600ce9ef9f3944789f74b22289a1538d SHA-256: 0117949b58b72cd7501308483d3f0c6f40cbe49ebd26353e03bb6841db312677
152 Risk Score

Malware Insights

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

The PDF document was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of external links, forming a link farm, which is a common technique for phishing or distributing further malware. The embedded document body text is heavily obfuscated and does not provide clear intent beyond the structural findings.

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://mail.scinteck.com/uploads/1/3/0/9/130969143/3949661.pdf
    • http://handmadebyavenue.com/uploads/1/3/0/6/130620972/kapivusutaxozad.pdf
    • http://stickerscratcherz.com/uploads/1/3/0/5/130588277/e808835d3ab5dd.pdf
    • http://modelsearchaustralia.com/uploads/1/3/0/7/130776810/datonesowibof.pdf
    • http://autodiscover.sackindnesscampaign.org/uploads/1/3/0/5/130588506/kapezevokil_nitovopiz_gaweron_gefobuverumax.pdf
    • http://hostmaster.combicure.co.uk/uploads/1/3/0/5/130551051/0dc91386292.pdf
    • http://www.escrafties.com/uploads/1/3/0/7/130740297/8740438.pdf
    • http://derpdaily.com/uploads/1/3/0/6/130639531/ae3a3c1dd92856.pdf
    • http://826.bpmtc.com/uploads/1/3/0/7/130775106/4515155.pdf
    • http://www.a2zzz-door.com/uploads/1/3/0/3/130313403/9638651.pdf
    • http://www.flexosupply.com/uploads/1/3/0/6/130621997/lejeg.pdf
    • http://smartintro.co.uk/uploads/1/3/0/6/130605492/gidipinowugolarij.pdf
    • http://shop.northstarchapter.org/uploads/1/3/0/7/130739597/tegul.pdf
    • http://ixayafoundation.org/uploads/1/3/0/5/130551890/22e3c68a831d66.pdf
    • http://ego.com.co/uploads/1/3/0/6/130620511/130620511.html#voluntary+acknowledgement+of+paternity+form+texas

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a1f.bin
690acd8cecb4c866f965eebe5d2e3f4e20f871de12d1b2d90d12443819ea3a28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A1F 8304 bytes

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