Malicious PDF — malware analysis report

Static analysis result for SHA-256 6da902fe445cee5b…

MALICIOUS

PDF

46.2 KB Authoring application: LibreOffice
MD5: 2f46de742d227e189cbda953efff553a SHA-1: 8cc195fb40a2c544caf94efc42d48855f1692309 SHA-256: 6da902fe445cee5b2535c7b629d62b08a902e49de162af0153ff7a9e0b26be0d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection intent. While no scripts were directly extracted, the embedded URLs are the primary indicators of malicious activity.

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 http://3dprintedgospel.com/uploads/1/3/0/3/130324027/varidofe.pdf
    • http://nancywijnants.com/uploads/1/3/0/6/130621190/binunazo_zukaxarog_tomefirakin.pdf
    • http://pelledolce.net/uploads/1/3/0/5/130543985/sitoxutujepig.pdf
    • http://thelordswriter.com/uploads/1/3/0/6/130604955/vegebatubevu-ladik.pdf
    • http://beri-bolshe.com/uploads/2020/01/28/pukoxoxa_wapijumegar_sopodipam.pdf
    • http://nrcm.com.au/uploads/1/3/0/4/130476784/b529e1ec20db6.pdf
    • http://thepracticeproject.org/uploads/1/3/0/4/130488415/datuniroj.pdf
    • http://cebuguam.org/uploads/1/3/0/8/130814339/1da53b7b3.pdf
    • http://alloexo.com/uploads/1/3/0/4/130476432/pozif.pdf
    • http://npfrf.org/uploads/1/3/0/5/130543546/gefidiribijawin-juvogewipokab.pdf
    • http://motanum.com/uploads/1/3/0/5/130543029/najadawo.pdf
    • http://mindbody-solutions.net/uploads/1/3/0/7/130776642/pusixo.pdf
    • http://nuohotel-zh.devsite-1.com/uploads/1/3/0/7/130775594/130775594.html#hello+neighbor+strategy+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001312.bin
9218e0d22a51272f570ae03cb4e5762d74b0844b76d21f79960dd12c2acfe186		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1312 7988 bytes

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