Malicious PDF — malware analysis report

Static analysis result for SHA-256 de64b971a080c5bd…

MALICIOUS

PDF

36.4 KB Authoring application: Scribus
MD5: 2cd19fbac473b6d6e9d9174113caf001 SHA-1: 62bfc1d3f70fee6c98e802da73bcc192e18b0bd4 SHA-256: de64b971a080c5bdfe0aed7ec6b5926282a24425318a377651b4bbbd0c9b91cd
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a PDF link farm and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body contains numerous embedded URLs, such as http://irvingtonhistorical.net/uploads/1/3/0/6/130604332/3246891.pdf, which are characteristic of phishing or redirection schemes. The primary purpose appears to be directing users to external, potentially malicious, content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://irvingtonhistorical.net/uploads/1/3/0/6/130604332/3246891.pdf
    • http://alleylouisville.com/uploads/1/3/0/3/130323184/vumidaruxop.pdf
    • http://dogsandbubbles.com/uploads/1/3/0/2/130270937/3870015.pdf
    • http://brittanygiametta.com/uploads/1/3/0/5/130539768/4448006.pdf
    • http://my-wilcox.com/uploads/1/3/0/3/130323143/6156258.pdf
    • http://joaandjames.love/uploads/1/3/0/6/130622011/vumibasiwowaguw-femokidija.pdf
    • http://ununun.jp/uploads/1/3/0/7/130775692/9930698.pdf
    • http://canniny.store/uploads/1/3/0/6/130639074/nebogujodured_ritogilegi_gizeve.pdf
    • http://nomorejoemoore.com/uploads/1/3/0/5/130550910/732257.pdf
    • http://holypost.us/uploads/1/3/0/2/130287883/9c81ea3f.pdf
    • http://piqiplay.com/uploads/1/3/0/2/130271167/212051.pdf
    • http://sharoncraryhandwovenrugstapestry.com/uploads/1/3/0/3/130313319/xenoxabe_pabukipenaton.pdf
    • http://centralbrowardtransitstudymeeting.com/uploads/1/3/0/7/130775180/pezaluvobitesaxefom.pdf
    • http://itemhustle.com/uploads/1/3/0/5/130550724/taxisora.pdf
    • http://navarrepenthouse.com/uploads/1/3/0/4/130484005/xabofulowo.pdf
    • http://anotherplacecalledhome.net/uploads/1/3/0/2/130271060/pipuv.pdf
    • http://priscilajamison.com/uploads/1/3/0/3/130313247/61cf310f.pdf
    • http://britainchase.com/uploads/1/3/0/7/130739987/metox-fojasobe-tekefizusuwofaz.pdf
    • http://jlkarchitects.com/uploads/1/3/0/6/130639995/xijijib.pdf
    • http://grooveshoprecords.com/uploads/1/3/0/5/130590168/09abfd86491a62.pdf
    • http://ggrecipes.com/uploads/1/3/0/6/130639531/jutatiletez_danakiraxuviri_lejubet.pdf
    • http://cyberarmr.com/uploads/1/3/0/5/130588960/130588960.html#aicpa+audit+standards+clarified

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ec5.bin
b8c30133e7940bc42f736bb71ff6f6de7e4bca2cc6379e54aaffd50c2d9050fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC5 7604 bytes

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