Malicious PDF — malware analysis report

Static analysis result for SHA-256 328e967d2378f920…

MALICIOUS

PDF

37.7 KB Authoring application: Adobe PDF Library 9.0
MD5: bf8d620f75a18d7e852836fe9d63adc7 SHA-1: 747fdc2bac1c90eab0dd39bc7975c18ff81e5808 SHA-256: 328e967d2378f9206f0734b1bc76cf0ecb31fe04d145890e6bde7c9f59c469c5
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution through these linked PDFs. The document body contains garbled text, providing no specific lure, but the overall structure points to a link farm used for malicious purposes.

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://wifeycosmetics.com/uploads/1/3/0/5/130540009/mubavexijawudatil.pdf
    • http://www.rightupurallie.com/uploads/1/3/0/5/130543264/fotebu_tigedipe_penobiko.pdf
    • http://kidkazoo.org/uploads/1/3/0/4/130435893/pakaf_zupibuk.pdf
    • http://tastetravels.com/uploads/1/3/0/3/130313130/2fc7541a21b2e7.pdf
    • http://sallydavisstudio.com/uploads/1/3/0/5/130542736/4619159.pdf
    • http://www.lll-lawncare.com/uploads/1/3/0/6/130639889/redevarapimure.pdf
    • http://mhentscheldesigns.com/uploads/1/3/0/8/130814460/lafotej.pdf
    • http://neuroimmunekids.org/uploads/1/3/0/6/130620614/7dd6a80ff485d.pdf
    • http://klazzique.com/uploads/1/3/0/8/130873833/2feb2343e.pdf
    • http://rheumain.com/uploads/1/3/0/5/130590678/7bc8f0e5aa.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b41.bin
e27d2faf18ce767aa686711a7642d599017851edd3d8086599a17f9c2dec5a63
pdf-font-stream PDF embedded font (sfnt) at offset 0x4B41 8796 bytes