Malicious PDF — malware analysis report

Static analysis result for SHA-256 417cc6f990bcb133…

MALICIOUS

PDF

43.5 KB Authoring application: pdf-parser First seen: 2021-09-18
MD5: db3024150ac7289509289f5452576ce8 SHA-1: d0f928d2230b92e65b6495638298e5696a549658 SHA-256: 417cc6f990bcb13370819979778edba9121f732c51929a93728c2468beb50846
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on Weebly. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://wigorenozowu.weebly.com/uploads/1/3/0/3/130323765/375b497bd8f.pdf In PDF document text
    • https://miporumemel.weebly.com/uploads/1/3/0/2/130270957/5303486.pdfIn PDF document text
    • https://livofotolakezar.weebly.com/uploads/1/3/0/5/130545681/pemoluwuja.pdfIn PDF document text
    • https://jukewiwewi.weebly.com/uploads/1/3/0/4/130483558/45f57.pdfIn PDF document text
    • https://wufefiwol.weebly.com/uploads/1/3/0/4/130476024/vilivejuvudevopefagu.pdfIn PDF document text
    • https://migakuvopubukos.weebly.com/uploads/1/3/0/3/130313358/zavew_poxudafofugob_bokab_nepapexukakubo.pdfIn PDF document text
    • https://wuzapojik.weebly.com/uploads/1/3/0/2/130272102/tobetuwu.pdfIn PDF document text
    • https://bemufobukanero.weebly.com/uploads/1/3/0/4/130436068/6547562.pdfIn PDF document text
    • https://fujenanokem.weebly.com/uploads/1/3/0/2/130272426/niroraza.pdfIn PDF document text
    • https://rebijodejagot.weebly.com/uploads/1/3/0/2/130288406/monobekak_tasekod_letavodepipopor_waxozajegetifa.pdfIn PDF document text
    • https://siteleke.weebly.com/uploads/1/3/0/2/130289649/zurekuzibirodi.pdfIn PDF document text
    • https://vudotajadupu.weebly.com/uploads/1/3/0/3/130313090/xivugoke_fidogipibazo.pdfIn PDF document text
    • https://sugewisu.weebly.com/uploads/1/3/0/4/130483271/8007225.pdfIn PDF document text
    • https://webosaxopeniluz.weebly.com/uploads/1/3/0/2/130288893/303048.pdfIn PDF document text
    • https://donarepavo.weebly.com/uploads/1/3/0/5/130551745/2751167.pdfIn PDF document text
    • https://midaxebawopul.weebly.com/uploads/1/3/0/2/130273733/4378686.pdfIn PDF document text
    • https://gapefakopo.weebly.com/uploads/1/3/0/4/130476624/130476624.html#ebola+virus+disease+countriesIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000060a5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x60A5 16732 bytes
SHA-256: a954f0f4707a7043b63eef75d3c5c66fcd48cda01c81cda12f37a0f4a74e8a31
font_00_sfnt_off00001456.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1456 8052 bytes
SHA-256: e67e40819eb91c922015fa53ea5a77a991ef5ac8a8fcb627b4b82744b5b2d02b

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