Malicious PDF — malware analysis report

Static analysis result for SHA-256 2354de7f9effe125…

MALICIOUS

PDF

41.0 KB Authoring application: Serif PagePlus
MD5: 715985067a65e6a2739572d6abbf8653 SHA-1: 9edd155b7ad9c472acc0cb0088f60b5525af4d8d SHA-256: 2354de7f9effe125087e802270c7d21891b9e90a4872ec77613ef32c843ad836
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 URLs pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, suggesting it's part of a phishing or traffic redirection scheme.

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://mingyiliu.me/uploads/1/3/0/5/130543394/8788021.pdf
    • http://kuhni-msc12.icu/uploads/2020/01/28/vewezogujine-barep.pdf
    • http://friendsofsola.org.uk/uploads/1/3/0/2/130287972/rizujovukejew_borujigubefor.pdf
    • http://molecularo2.com/uploads/1/3/0/5/130550756/5249494.pdf
    • http://lovuluwa.najiyagalimova.com/uploads/2020/01/28/f0cc4110f.pdf
    • http://subjectiveself.net/uploads/1/3/0/6/130621053/d8736506.pdf
    • http://cvillefamilyhistorycenter.org/uploads/1/3/0/2/130289421/ce56fb99cb7ad92.pdf
    • http://brian-amos.com/uploads/1/3/0/6/130640227/vimekofebaxewuxegasi.pdf
    • http://soundoftheshoals.com/uploads/1/3/0/5/130542717/letivekuzar-jijedu.pdf
    • http://keg.black-port.ru/uploads/2020/01/28/e45a64915d4e896.pdf
    • http://gijokofezo.millioninvestor.pw/uploads/2020/01/28/gawutoxurev-pevekuleboju-sasixek-refijope.pdf
    • http://noahguystaffing.com/uploads/1/3/0/5/130589415/nujitaj.pdf
    • http://napujeteb.menurotrin.ru/uploads/2020/01/28/2785096.pdf
    • http://nessasgoodiesshop.com/uploads/1/3/0/6/130620602/pipalujenukudolojeva.pdf
    • http://merkabawellness.com/uploads/1/3/0/4/130483397/f06981c.pdf
    • http://slushproductions.com/uploads/1/3/0/4/130435516/nowirefa_tebofusekegiba.pdf
    • http://andrespardor.com/uploads/1/3/0/5/130539115/zexajidomibixa.pdf
    • http://swimprofessionals.co.nz/uploads/1/3/0/4/130476887/rumivad.pdf
    • http://dripexperience.com/uploads/1/3/0/2/130270892/5413715.pdf
    • http://minimumtread.com/uploads/1/3/0/4/130491444/mofejukobovine.pdf
    • http://mrespinosa.com/uploads/1/3/0/6/130621749/wetikoxetipemojezaga.pdf
    • http://schoolchoicevermont.com/uploads/1/3/0/5/130589178/4082019.pdf
    • http://whitele.com/uploads/1/3/0/4/130476145/2659337.pdf
    • http://oakclass.com/uploads/1/3/0/5/130589125/130589125.html#charles+bargue+drawing+course
    • http://noahguystaffing.com/uploads/1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001758.bin
d0a3d4b9adc5681e8271a4ffc1a08ce4a81a58af58109e7b494be164e5daf52d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1758 8848 bytes

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