Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f7d895de0a8b04…

MALICIOUS

PDF

33.4 KB Authoring application: SWFTools
MD5: 5864e36019d747c8472c593d218a0957 SHA-1: c8327f7666e94a11835a27175e4e29cf058c2cd6 SHA-256: 68f7d895de0a8b048c9ea383df303974bed95e8507461e334bd0f37bcc828ff3
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a tactic to manipulate search engine results or distribute additional malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as phishing or a similar threat.

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://www.taxi-world.co.uk/uploads/1/3/0/8/130814830/7140114.pdf
    • http://www.wandordevelopmentassociation.org/uploads/1/3/0/6/130621695/dumususuduf-dewar.pdf
    • http://stmarkslisburn.com/uploads/1/3/0/6/130603913/2006dcdce3c2.pdf
    • http://cloudfai.com/uploads/1/3/0/4/130483673/tidoxinid.pdf
    • http://at-riskteen.com/uploads/1/3/0/6/130639493/sexijezarufutu-pejadakiwusefit-wasujusidok.pdf
    • http://enviromenttech.com/uploads/1/3/0/5/130539344/416dbb35d14.pdf
    • http://demosawblades.com/uploads/1/3/0/8/130815115/3210682.pdf
    • http://nationalbusinesseducationweek.com/uploads/1/3/0/6/130603867/4359013.pdf
    • http://www.rightwaycarpetrepair.com/uploads/1/3/0/5/130550879/dcbf240a30c9.pdf
    • http://www.poochiezprojectz.com/uploads/1/3/0/7/130738831/movagigabedino-wuxobutoretesup-gufavukunalefit.pdf
    • http://healtheconcessions.com/uploads/1/3/0/8/130814402/225166.pdf
    • http://realestateforsaleinmaine.net/uploads/1/3/0/5/130588164/1550619.pdf
    • http://adsl-63-204-18-50.benefitplans.org/uploads/1/3/0/4/130483163/130483163.html#el+aceite+de+romero+sirve+para+el+cabello

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c7b.bin
58b1c5db3ce34a8dc55c2067c33eb45ac097d9dd1508140b8a1341b4ee95721d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7B 7628 bytes

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