Malicious PDF — malware analysis report

Static analysis result for SHA-256 375e078e671d318b…

MALICIOUS

PDF

46.5 KB Authoring application: QPDF First seen: 2020-09-24
MD5: 4bebf33e30a6f535b9cc716974b697ec SHA-1: 7d926b1e36d3e8961be4b2e18f56c0ac75ae2475 SHA-256: 375e078e671d318bb27e24d1fb39f59690a84e4bc07af3a4e450a25f4cfe4a51
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further indicates a malicious intent, likely related to phishing or traffic redirection. The document body contains fragmented text and URLs, reinforcing the link farm observation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://stunningsphynxkitten.com/uploads/1/3/0/6/130640057/ziwefutim.pdf In PDF document text
    • http://baudlbears.com/uploads/1/3/0/5/130548192/c6710da33a362.pdfIn PDF document text
    • http://bestsellersdeal.nl/uploads/1/3/0/3/130323959/baxofepusig-puworani.pdfIn PDF document text
    • http://lenke-nauck.com/uploads/1/3/0/6/130605146/1537542.pdfIn PDF document text
    • http://mermaidtidying.com/uploads/1/3/0/6/130604627/wererodetogurixufid.pdfIn PDF document text
    • http://addaihealthedu.net/uploads/1/3/0/4/130476523/mazeje.pdfIn PDF document text
    • http://middleagedpinay.com/uploads/1/3/0/2/130274098/3ee094d.pdfIn PDF document text
    • http://dewebo.comtrans.info/uploads/2020/01/28/vudokumejosebi.pdfIn PDF document text
    • http://tazugope.studio-elephant.ru/uploads/2020/01/28/nilomelubozu_newafonomugixid.pdfIn PDF document text
    • http://nooracademyonline.com/uploads/1/3/0/2/130270872/9935552.pdfIn PDF document text
    • http://mysoundcollective.com/uploads/1/3/0/2/130273735/130273735.html#contemplated+traduction+en+francaisIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D5 9676 bytes
SHA-256: 04f22517beb4ff81b7331cd45d2c8603bba0080b43bc885d2196b9b95a3fae4f

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