Malicious PDF — malware analysis report

Static analysis result for SHA-256 0881e3f01970616e…

MALICIOUS

PDF

84.5 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: 3135238d69d9292ec5ff0e726a96eb42 SHA-1: ac2f30e6c1be646dfd4645bc30e652692d01f826 SHA-256: 0881e3f01970616e277e25c0c915666e93bbe222b1b79681d2667b0ec535a00c
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 various PDF files hosted on different domains. This suggests a tactic to manipulate search engine results or distribute malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection.

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://rekewi.javanotepad.com/uploads/2020/01/28/1044799.pdf In PDF document text
    • http://workingdeadfilm.com/uploads/1/3/0/5/130550818/9ea622.pdfIn PDF document text
    • http://xil.premier-b.ru/uploads/2020/01/29/8478856.pdfIn PDF document text
    • http://assentive.net/uploads/1/3/0/3/130324270/solid.pdfIn PDF document text
    • http://villagearch.com/uploads/1/3/0/7/130775688/5764893.pdfIn PDF document text
    • http://kendrakd.com/uploads/1/3/0/4/130488316/milajudixobug_jewuxojo.pdfIn PDF document text
    • http://tjrothconstruction.com/uploads/1/3/0/6/130640018/69c78615a.pdfIn PDF document text
    • http://rmhcredshoegala.com/uploads/1/3/0/6/130621574/e456b9d23dc0.pdfIn PDF document text
    • http://riversidecountyhistory.org/uploads/1/3/0/5/130540172/01a101b1.pdfIn PDF document text
    • http://nogemulesu.gg-jewelry.ru/uploads/2020/01/29/4629261.pdfIn PDF document text
    • http://costamedicalmarijuana.com/uploads/1/3/0/6/130621005/aea56d716e.pdfIn PDF document text
    • http://zambiasafarihunting.com/uploads/1/3/0/6/130639956/130639956.html#batman+arkham+cityIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn 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_off00001373.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1373 9340 bytes
SHA-256: 7857fb97751f730c4b4c36493848ca487890db4446337d1e5d30a054c8db0596
font_01_sfnt_off00011309.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11309 2596 bytes
SHA-256: 87fd6b1a35a64f5c2d30902eea89631a9c05d6b36ef70c6d0cee4d2ad867525e

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