Malicious PDF — malware analysis report

Static analysis result for SHA-256 05c464f9c3ed41b1…

MALICIOUS

PDF

34.3 KB Authoring application: Karbon
MD5: 09a5537cb45e88959f58658792c3d472 SHA-1: 570c4ad9f476fe9927bfec121f4e7535c300a579 SHA-256: 05c464f9c3ed41b1368960bc7c76b75fba52234ad4d62aa5e92d88cf74811b4e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or SEO link farm. The document contains a mass of external links, with the first URL being https://pifagateboketu.weebly.com/uploads/1/3/0/5/130588191/lipegisaxixova_zivipaz_libawakixajav.pdf. The primary purpose appears to be directing users to a large number of external PDF files, potentially for malicious redirection or content distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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 https://pifagateboketu.weebly.com/uploads/1/3/0/5/130588191/lipegisaxixova_zivipaz_libawakixajav.pdf
    • http://morgangracejarrett.com/uploads/1/3/0/5/130539742/tulusipox-nawemogidezan-xemorivaxonile.pdf
    • http://beatafurstenberg.com/uploads/1/3/0/3/130313241/6964480.pdf
    • http://newkindlife.com/uploads/1/3/0/5/130551745/xugugil.pdf
    • http://cams-collection.com/uploads/1/3/0/3/130313114/f19e4e0b83.pdf
    • http://myalliedbenefits.com/uploads/1/3/0/7/130739816/8a3e8f9962e5ba.pdf
    • http://crossfitswage.com/uploads/1/3/0/4/130488736/8371fab8ae806.pdf
    • http://tatjanamichel.com/uploads/1/3/0/6/130620800/2472418.pdf
    • http://reparaton.net/uploads/1/3/0/3/130323707/zejemevo-mogid-sojefemoxijup.pdf
    • http://my-zero-stress.com/uploads/1/3/0/5/130588430/444954973ea.pdf
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/6/130605018/130605018.html#gyroscope+sensor+arduino+datasheet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001459.bin
f0376f4740492012e0a15e60f095917b5faf27321f774f68b1faaac1aa07611a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1459 8080 bytes

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