Malicious PDF — malware analysis report

Static analysis result for SHA-256 c91f882fae670d11…

MALICIOUS

PDF

39.1 KB Authoring application: Serif PagePlus
MD5: 5f14f2fae5a47c0671453f3b70f52478 SHA-1: f32a1e5642a77431ec13f0b9d23b3fcc0877965b SHA-256: c91f882fae670d11b9f6bf29f5949be383ce5a6602f7a1bc1181ec782196d749
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection. The document body is heavily obfuscated and unreadable, providing no additional context.

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://spicysnack.com/uploads/1/3/0/2/130273913/wezasapoxeri_xowaruduweke_puxuvo_xawubusatulaf.pdf
    • http://mydebtreliefteam.com/uploads/1/3/0/4/130476525/3820805.pdf
    • http://nuvepomeb.w7and.net/uploads/2020/01/29/21b7f153f35.pdf
    • http://saeart.com/uploads/1/3/0/6/130620551/7297e.pdf
    • http://neilfoxhealthandfitness.com/uploads/1/3/0/3/130313156/1653654.pdf
    • http://vujenovi.qazaqkuresi.com/uploads/2020/01/27/bizowelolebezin_sogekawiw.pdf
    • https://kamadizami.weebly.com/uploads/1/3/0/4/130476276/82d3102c79.pdf
    • http://buket99.com/uploads/2020/01/29/4108044.pdf
    • https://dalojuzuxumome.weebly.com/uploads/1/3/0/6/130604108/b96693834d.pdf
    • http://wik.my-export.ru/uploads/2020/01/28/5947056.pdf
    • http://almultiservices.ca/uploads/1/3/0/5/130590710/zofatog.pdf
    • http://mixe.halinsy.online/uploads/2020/01/28/tedivinu.pdf
    • http://trustedfinancialpro.com/uploads/1/3/0/2/130270859/2713771.pdf
    • http://rotateproxy.com/uploads/1/3/0/5/130551486/af395b896cbdc0.pdf
    • http://kddoula.com/uploads/1/3/0/3/130323889/5b49b.pdf
    • http://unsubscribetoviolence.com/uploads/1/3/0/3/130323407/jukigefazenu.pdf
    • http://silokup.vipiski-besplatno2.icu/uploads/2020/01/28/e79b62b93919ea8.pdf
    • http://mvhsphotography.com/uploads/1/3/0/4/130477126/bewoxijogasuza_bugarase_defaxaxe_wetojalejig.pdf
    • http://pushkino-narkologiya.ru/uploads/2020/01/28/e6dc1.pdf
    • http://danyellscakesandcreations.com/uploads/1/3/0/6/130605107/zodolagunad.pdf
    • http://lambiparitips.com/uploads/1/3/0/6/130620451/631b8c693be9.pdf
    • http://ginujebot.samokontrol.ru/uploads/2020/01/28/8307016.pdf
    • http://southeastjet.com/uploads/1/3/0/3/130379461/8765131.pdf
    • http://royal34.net/uploads/1/3/0/4/130488157/130488157.html#ascending+versus+descending+tracts+in+the+spinal+cord
    • http://southeastjet.com/uploads/1/3/0/3/130379461/8765131

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000018c9.bin
fdba28ba1e55a25c1f9b190a7acc3774674533f040d61194de5e313b2907ed80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18C9 7728 bytes

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