Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9258a2bc3fc001f…

MALICIOUS

PDF

45.4 KB Authoring application: pdf-parser
MD5: 4293a1fd6c010060d0b79e7f96874be6 SHA-1: 564ad433e1766c160ac503c206a64b7bd6dfe349 SHA-256: f9258a2bc3fc001f93ab1c6e4a84dd4964e1d669cde3d4410113a3dbbecf6a01
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This technique is commonly used for SEO poisoning or phishing campaigns, aiming to direct users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://yaldocargo.com/uploads/1/3/0/6/130621467/tubem.pdf
    • http://cozyhedgehogscanada.ca/uploads/1/3/0/5/130588650/taturinuliduma.pdf
    • http://blackwoodsounddesign.com/uploads/1/3/0/6/130604805/kunosakolibukisali.pdf
    • http://flashissuemail.net/uploads/1/3/0/7/130739879/putowewidav.pdf
    • http://webmail.waysidechristianmission.org/uploads/1/3/0/7/130739952/1549889.pdf
    • http://nikkiheatsales.net/uploads/1/3/0/6/130605115/wenewu_sefefonivaro_nirawusif_xuxiderawijimer.pdf
    • http://angelicharpacademy.com/uploads/1/3/0/5/130546486/vifax.pdf
    • http://tcproturflawncare.com/uploads/1/3/0/4/130488442/pazenadej_fuxubuzuru_memopaja_wudozotimale.pdf
    • http://arkansasartpottery.com/uploads/1/3/0/2/130289577/xilokerumibufu_jakapenisid_ligunilabogobo.pdf
    • http://speed-gemmes.com/uploads/1/3/0/7/130740164/7059667.pdf
    • http://mx.tampa2stroke.com/uploads/1/3/0/5/130589199/xurariloruwof.pdf
    • http://www.aguaibiza.com/uploads/1/3/0/5/130588984/soxumaduxel.pdf
    • http://georgiacrook.co.uk/uploads/1/3/0/4/130436402/nakovajud-petevaviz-mewemejagupi.pdf
    • http://cristawadsworth.com/uploads/1/3/0/3/130379295/vigiseted-radofawodexam-ruxugi.pdf
    • http://beingself-centered.com/uploads/1/3/0/5/130541924/roziwetifusu.pdf
    • http://pauldini.net/uploads/1/3/0/6/130621772/12859.pdf
    • http://aoq.com/uploads/1/3/0/5/130551739/lizorisiluwe_dotibanalegezut_mukukigilit_mudanivelalubox.pdf
    • http://partyrun.org/uploads/1/3/0/8/130873955/ce43b9e384.pdf
    • http://pixelfortstudios.com/uploads/1/3/0/6/130604688/6294688.pdf
    • http://essentiallyluminous.com/uploads/1/3/0/5/130540461/6780943.pdf
    • http://www.brandysboutique.org/uploads/1/3/0/2/130273962/6977975.pdf
    • http://gosapar.com/uploads/1/3/0/7/130776447/ratigo_benezogof_worid_megoso.pdf
    • http://viceroyautotrans.com/uploads/1/3/0/6/130621312/6802240.pdf
    • http://world-with-elegance.com/uploads/1/3/0/5/130588225/c2b5604f8476b.pdf
    • http://www.sarahljennings.com/uploads/1/3/0/6/130639848/4448510.pdf
    • http://teamgls.com/uploads/1/3/0/6/130640159/130640159.html#advocare+24+day+challenge+snack

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a61.bin
a4c596542743ead87a1854ddf71fc1e335898c7f8c339acd5b01fa34b9cef230		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A61 9024 bytes

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