Malicious PDF — malware analysis report

Static analysis result for SHA-256 66e83210e5662724…

MALICIOUS

PDF

50.3 KB Authoring application: pstoedit
MD5: d71f115ee0aded03296f715e25bb7df3 SHA-1: 840c505178d20792e8a40711c0133f86888f19ac SHA-256: 66e83210e5662724faa5074afa1fb5f37ea7168b1d935fde9f1eee53759cbb98
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a tactic to manipulate search engine results or redirect users to malicious content. ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. While no scripts were explicitly extracted, the embedded URLs are the primary indicators of malicious activity.

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://savorsantaana.weebly.com/uploads/1/3/0/4/130476557/55750.pdf
    • http://straightpipeexhaust.com/uploads/1/3/0/4/130476317/b8a2e669b.pdf
    • http://ncln.com/uploads/1/3/0/6/130640105/528c7f30340a.pdf
    • http://eemlak.shop/uploads/1/3/0/5/130551185/nabiwun.pdf
    • http://unilibre.solutions/uploads/1/3/0/5/130543280/dezexubuxile_ronebef.pdf
    • http://theinnonsilverlake.com/uploads/1/3/0/5/130539229/logafi.pdf
    • http://essentialcleaning.vegas/uploads/1/3/0/5/130539742/lirudiv_kaxitogobubuwi_bobuzokakonal_walivun.pdf
    • http://monashhomesolutions.com/uploads/1/3/0/4/130476454/volakate-logijis-wugivotowabapar.pdf
    • http://joinloveandresistance.com/uploads/1/3/0/3/130313454/6473468.pdf
    • http://alisonhehir.com/uploads/1/3/0/7/130740127/6099088.pdf
    • http://southernstylestudioandmore.com/uploads/1/3/0/2/130288565/180e91f38.pdf
    • http://microtex.limited/uploads/1/3/0/3/130313480/1922240.pdf
    • http://shardexplorers.com/uploads/1/3/0/6/130621483/130621483.html#baobab+oil+inci+name

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fd7.bin
eb49655d32034bee0d5fec30451a6684de9b5cedf9a3f5c41700670ea79e569d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD7 8764 bytes

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