Malicious PDF — malware analysis report

Static analysis result for SHA-256 04e6e6fffa940770…

MALICIOUS

PDF

38.6 KB Authoring application: GIMP
MD5: 53b62cd0104556abb68007342431eae8 SHA-1: 0032dd40c2c95fc8bfaad4e872d1703ae1d679c2 SHA-256: 04e6e6fffa9407703d845703ca22b4c184a346411ef1835e9fee7b243de61ef1
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links to external PDF files hosted across numerous domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass link farm, suggesting a campaign to manipulate search engine results or distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these linked documents.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://trauma-toolkit.com/uploads/1/3/0/4/130436049/7333119.pdf
    • http://farmersmarketdog.com/uploads/1/3/0/4/130435755/zizudowo.pdf
    • http://entresift.com/uploads/1/3/0/7/130776826/3433449.pdf
    • http://2chancemin.com/uploads/1/3/0/5/130550714/vixigarexujipe.pdf
    • http://christinecaseyphotography.com/uploads/1/3/0/5/130539843/c6a1e88782c05e.pdf
    • http://futureplansfinancial.com/uploads/1/3/0/4/130483872/dapuvimo-fidotofoxogoj.pdf
    • http://palatka.space/uploads/1/3/0/7/130776788/jixiz.pdf
    • http://bb-lash.com/uploads/1/3/0/4/130488273/a4d899a4ca3ddbe.pdf
    • http://sierranexus.com/uploads/1/3/0/2/130288453/9109306.pdf
    • http://698.bpmtc.com/uploads/1/3/0/2/130289681/5662388.pdf
    • http://voyagescimatur.com/uploads/1/3/0/3/130324331/e9990417802.pdf
    • http://ramundogospel.com/uploads/1/3/0/5/130589156/lajupesegeji.pdf
    • http://1-to-6.com/uploads/1/3/0/2/130288412/5122957.pdf
    • http://www.genesisranch-rescue-restoration.com/uploads/1/3/0/4/130483684/fdcdd716.pdf
    • http://www.litchfieldhillsmobileveterinaryclinic.com/uploads/1/3/0/5/130538859/7130156.pdf
    • http://stayplaychildcare.com/uploads/1/3/0/5/130551155/nofopeneke.pdf
    • http://mondayswithmike.com/uploads/1/3/0/3/130312926/7020d4d7.pdf
    • http://ghoti.shop/uploads/1/3/0/4/130436451/zegekoninevokamu.pdf
    • http://www.1fx.cc/uploads/1/3/0/5/130551153/4080365.pdf
    • http://805.bpmtc.com/uploads/1/3/0/7/130738572/130738572.html#nihilism+absurdism+difference

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a6b.bin
21d606d035d701f99aba5c09efda1c848339064a7d2eb2e364fb3980cbe4be7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A6B 7388 bytes

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