Malicious PDF — malware analysis report

Static analysis result for SHA-256 e07c90bd419d3bfd…

MALICIOUS

PDF

37.9 KB Authoring application: Soda PDF
MD5: aa697a0c7cc571e0baad68fee69e9ce9 SHA-1: 38ad3695409dfb10caec43092a78da5a5ada9bb9 SHA-256: e07c90bd419d3bfdefa936aa4a79f565998c68c6f384a2a5970cc33346542339
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files, a technique commonly used for SEO poisoning and distributing malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior. The document body, though partially corrupted, mentions 'Gastric sleeve after surgery diet', suggesting a lure to attract victims. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports the malicious intent.

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://cattlecorp.net/uploads/1/3/0/5/130588349/gowibegojuno.pdf
    • http://readytoadopt.ca/uploads/1/3/0/6/130620598/bemuma-ralenukewoxidun-ribazudo-sinebotefosu.pdf
    • http://arnelcompressor.com/uploads/1/3/0/6/130620601/zepupipuvuw-vowuzasezuwa-pakudoz-fakulupe.pdf
    • http://avau.org/uploads/1/3/0/3/130379504/nozuwosadip.pdf
    • http://grassrootsdrift.com/uploads/1/3/0/2/130287914/ff4a3747.pdf
    • http://tomryan.com.au/uploads/1/3/0/6/130639406/93efd.pdf
    • http://sensiblefoodie.ca/uploads/1/3/0/4/130476004/buzofu_zudalowa.pdf
    • http://thelilacsea.com/uploads/1/3/0/2/130273584/sujav.pdf
    • http://cocovonbonbon.com/uploads/1/3/0/4/130435546/sumujoxilusadut.pdf
    • http://principalgneely.com/uploads/1/3/0/4/130488754/dirusabiz_tatuzaguwaj_xiwejipefa.pdf
    • http://zpo9t.bpmtc.com/uploads/1/3/0/4/130483146/130483146.html#gastric+sleeve+after+surgery+diet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003f1b.bin
78fa95cb72a1e39d5a5fde40f6f38a5ada47d421bb30ea78f160bd67d1253463		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F1B 7600 bytes

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