Malicious PDF — malware analysis report

Static analysis result for SHA-256 06121364ae97a20c…

MALICIOUS

PDF

37.4 KB Authoring application: LibreOffice
MD5: 382a371a9cf158a57567fd9bb15f3e69 SHA-1: ac7f00d939dd604533b186f0e4fecf80ece09123 SHA-256: 06121364ae97a20c76281bbe792ad6457dbae1e91c922144c20ac80ffbc8252a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to other PDF files, a technique often used for SEO poisoning or to distribute further malicious content. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing or malware distribution attempt. The embedded links likely serve as a lure to download additional malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://fuerzaypoder.org/uploads/1/3/0/5/130543538/xuwigadiked.pdf
    • http://pdxdragonboat.weebly.com/uploads/1/3/0/2/130271206/wuwoli.pdf
    • http://izistika.xyz/uploads/2020/01/28/zaxekekos.pdf
    • http://fuwofege.x-print.uz/uploads/2020/01/27/6277914.pdf
    • http://bayleighscloset.co/uploads/1/3/0/5/130539085/7961841.pdf
    • http://batazakek.pulkovo3.info/uploads/2020/01/28/gepudo-bepabexikuda-mugilepigarif-viwipopo.pdf
    • http://tylersweeting.com/uploads/1/3/0/6/130621790/6315612.pdf
    • https://komuzobejur.weebly.com/uploads/1/3/0/4/130483546/xuraretakotujijax.pdf
    • http://genopawok.vodka-fenix.com/uploads/2020/01/29/9801009.pdf
    • http://loudmountains.com/uploads/1/3/0/3/130313336/d741d.pdf
    • http://amysachievers.com/uploads/1/3/0/5/130588511/fizovijid.pdf
    • http://adoptme.info/uploads/1/3/0/6/130605270/130605270.html#using+aircraft+performance+charts

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012b7.bin
0faa10ec9c69ed0308bccd58004296f075556a3746fc5b5c812613aca66419b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12B7 8068 bytes

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