Malicious PDF — malware analysis report

Static analysis result for SHA-256 1841ede172039951…

MALICIOUS

PDF

41.5 KB Authoring application: Serif PagePlus
MD5: c5ad0a72489785715a92b90b38b24932 SHA-1: e82cba26fdd888c5d61cb021077d985aff2ab090 SHA-256: 1841ede172039951ef10da26c3c453f87bbe763f5a856f33d601e5d3c71155f7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to manipulate search engine results or to distribute a large volume of content, potentially malicious. The ML classifier and ClamAV detection further support its malicious nature, flagging it as phishing or malware.

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://michianawomeninconstruction.com/uploads/1/3/0/3/130323743/tiresoputetuwe.pdf
    • http://chickasawcasinos.com/uploads/1/3/0/6/130605015/wagorisatepozude.pdf
    • http://tacodelcampus.com/uploads/1/3/0/6/130604350/xosulixomawibogo.pdf
    • http://ecodentals.com/uploads/1/3/0/7/130739198/kexabaketalo.pdf
    • http://club8inch.com/uploads/1/3/0/3/130313140/widusil-kanosimemoret-faruzewexudema.pdf
    • http://dolartodayhoy.com/uploads/1/3/0/6/130620280/gosir.pdf
    • http://propertynearyou.ph/uploads/1/3/0/6/130621873/64679fc0b79929.pdf
    • http://thearthurspectorscam.org/uploads/1/3/0/6/130639426/tuboj-zitabus-towegasax-xukamukarebi.pdf
    • http://laparoscopic.info/uploads/1/3/0/3/130313108/pokepagetoraledetodu.pdf
    • http://rclfitness.com/uploads/1/3/0/7/130738918/f3d1ffbf0.pdf
    • http://gardenofedenmke.com/uploads/1/3/0/2/130291536/3014688.pdf
    • http://709-bonus.site/uploads/1/3/0/3/130379408/1908048.pdf
    • http://verosoup.com/uploads/1/3/0/2/130270804/bipaw-vekutuve-povut.pdf
    • http://yaamardance.com/uploads/1/3/0/3/130323888/032277403.pdf
    • http://techlaunchers.com/uploads/1/3/0/2/130289760/jerepirix.pdf
    • http://mytwobreastfriends.net/uploads/1/3/0/3/130313555/6802015.pdf
    • http://mightierthanswords.org/uploads/1/3/0/7/130775092/nujesesuzowexa.pdf
    • http://aronkodeshesbydesign.com/uploads/1/3/0/5/130544134/fofekebawedur_pogexa.pdf
    • http://techstyles.shop/uploads/1/3/0/2/130272963/fbe4c7e2a.pdf
    • http://katherinemunster.com/uploads/1/3/0/6/130605203/sabawaxiperi.pdf
    • http://www.yougetwhatisee.com/uploads/1/3/0/3/130323762/jemelotali-bitepedid-doworezafofu-bajetuvize.pdf
    • http://mesabimusicaltheatre.com/uploads/1/3/0/2/130289649/1379092.pdf
    • http://proorganizerlindsay.com/uploads/1/3/0/7/130739093/goraputuwofufuza.pdf
    • http://lejardinviolet.com/uploads/1/3/0/3/130379062/130379062.html#map+of+oceans+seas+and+gulfs

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ce8.bin
a5d528172c67519ddd1325d9ff974339d8e7e837e82db347077111e5907c8737		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CE8 9568 bytes

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