Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca244d1eb8541b3d…

MALICIOUS

PDF

39.7 KB Authoring application: PDFBox First seen: 2020-08-10
MD5: 40b60a5c9765f29f72cef5edfe2afc26 SHA-1: 5cdad1a6640876502c7a3535da2d9bfce87db802 SHA-256: ca244d1eb8541b3d5e9da65d62d4cdf8551bfbf0f5f9cde49ba3b701ed731634
192 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used in SEO poisoning and phishing campaigns to direct users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports this assessment. The document body mentions 'Equifax free credit report 30 day trial', indicating a potential phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://miguelchanonafotografo.com/uploads/1/3/0/2/130271114/1fb3b3fe6f.pdf.
  • 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://miguelchanonafotografo.com/uploads/1/3/0/2/130271114/1fb3b3fe6f.pdf In PDF document text
    • http://swampersoriginal.com/uploads/1/3/0/6/130640019/felesuxovivojuv.pdfIn PDF document text
    • http://thehappygirlstore.com/uploads/1/3/0/2/130272388/movuzelesipovewifoti.pdfIn PDF document text
    • http://nomadicwellness.com/uploads/1/3/0/3/130323542/6f5b2794.pdfIn PDF document text
    • http://nextgenadvancedsupplements.com/uploads/1/3/0/3/130379332/regutufelije.pdfIn PDF document text
    • http://patersistersbeachvolleyball.com/uploads/1/3/0/6/130604133/8225196.pdfIn PDF document text
    • http://nhatrangpartytown.com/uploads/1/3/0/2/130270863/130270863.html#equifax+free+credit+report+30+day+trialIn PDF document text
🗂 Part of campaign: miguelchanonafotografo.com 6 samples

Related samples 5

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_off0000118b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118B 9316 bytes
SHA-256: 8a7833da2c69e7ff9bbfca14946a056374467a3649fa7174e75379e70b3df7cb

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