Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d67016d2002601c…

MALICIOUS

PDF

37.4 KB Authoring application: Soda PDF First seen: 2020-09-07
MD5: 2e33710a704391dfa1d2d95a0cca23ea SHA-1: 6912c653923e643f674c5e6ed857875270ef9fa6 SHA-256: 4d67016d2002601ce2f4642b329ff3bb7a610fb6336809ca7138def28d40166d
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF files hosted on various domains. This suggests a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

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://bcreativedesignandservices.com/uploads/1/3/0/6/130604336/nuniniso-lugomonek-zuraweseva.pdf In PDF document text
    • http://7soundenergy.com/uploads/1/3/0/4/130490221/9ca28d5c71395fd.pdfIn PDF document text
    • http://bip.russian-travels.com/uploads/2020/01/28/1174205.pdfIn PDF document text
    • https://gorukoxizos.weebly.com/uploads/1/3/0/4/130483153/32f28e2a06e04.pdfIn PDF document text
    • http://palmettostarbbq.com/uploads/1/3/0/5/130589128/zageketoxunoxini.pdfIn PDF document text
    • http://coqidiomas.com/uploads/1/3/0/2/130273850/fe715f2406ca1.pdfIn PDF document text
    • http://sexiwu.favorsvet.com/uploads/2020/01/28/gagesewix_noviwub_zixikaziwapajif.pdfIn PDF document text
    • http://closeandpaschalauction.com/uploads/1/3/0/6/130603931/tebatozukomorivig.pdfIn PDF document text
    • http://feba.glistov.ru/uploads/2020/01/28/0fb082b.pdfIn PDF document text
    • http://bejustalittlebetter.com/uploads/1/3/0/4/130483632/130483632.html#central+machinery+813b+drill+press+manualIn 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
font_00_sfnt_off0000123f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x123F 8048 bytes
SHA-256: f313d0e6b09f0cb3350d395922459b8b633cc390f430bae1618ceb3bba68af5a
font_01_sfnt_off00004ae4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE4 16180 bytes
SHA-256: 669a22844ddb84b64a1d93eb6147c2b8b7ca76f4316fe4be2bbf69c96252e72a

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