Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f47a464a00e9590…

MALICIOUS

PDF

43.0 KB Authoring application: Serif PagePlus
MD5: 027a127593aea06222ee04f34afd82d9 SHA-1: 8cd1ac5059af0ae740a52b79a15699e7e3bac101 SHA-256: 0f47a464a00e95909a164cba0dbc1045ebfb3268dcffc75f0baca84da04357b7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of embedded URLs, identified as a link farm, which are likely used to redirect users to phishing or malware hosting sites. The document body itself is heavily obfuscated but contains some of these URLs, suggesting a deliberate attempt to disguise the malicious intent.

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 https://ruxenozekaxurup.weebly.com/uploads/1/3/0/2/130270893/jogorodijikav.pdf
    • http://rakapala.tech/uploads/2020/01/28/bexilokanomubo.pdf
    • http://helotestreeservice.com/uploads/1/3/0/4/130478819/4275900.pdf
    • https://nuzexuwod.weebly.com/uploads/1/3/0/5/130539657/4733692.pdf
    • http://tusava.aviakompanija.ru/uploads/2020/01/28/1064238.pdf
    • http://solidinvestmentgroupbvba.com/uploads/1/3/0/2/130272488/vebotilakolemo.pdf
    • http://kobame.hinomaru-sumo.ru/uploads/2020/01/28/fetirapopawomuwiwi.pdf
    • https://xubowijuzadoje.weebly.com/uploads/1/3/0/5/130589115/5486891.pdf
    • http://thebigimportantfoodblog.com/uploads/1/3/0/2/130287932/karokokolu_sefarugegax.pdf
    • http://fuwugesuf.top-shop21.ru/uploads/2020/01/28/362bb385.pdf
    • https://vinuniludab.weebly.com/uploads/1/3/0/3/130323493/kelavupap_bijaxisepoxabak.pdf
    • https://rigigasiweramo.weebly.com/uploads/1/3/0/6/130603892/jawep.pdf
    • https://dizegivobetoge.weebly.com/uploads/1/3/0/4/130476272/3c2de9eb0df20.pdf
    • http://jafan.copyrightcontact-1000041832095.com/uploads/2020/01/27/gowaliletuxopek_nediribilevo_xebiva_magewujeso.pdf
    • http://nobaxu.vkfilm.club/uploads/2020/01/28/ronelefumi.pdf
    • http://lasvegashandyman.org/uploads/1/3/0/3/130313263/7663990.pdf
    • http://tapokav.clotheslux.com/uploads/2020/01/28/pejavevavafelilukab.pdf
    • http://bujare.loot-ferm.pro/uploads/2020/01/28/60eefbabad7.pdf
    • http://conwaymodelengineering.com/uploads/1/3/0/6/130621024/mejawaniwegomalarawa.pdf
    • http://evokefitness.net/uploads/1/3/0/6/130622120/130622120.html#competency+based+interview+questions+answers+sales+manager

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001807.bin
f24d9c87680d756f1b4307ca3d3029bcee6c60b1bff5b68a57f6ef4808e85e75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1807 8104 bytes

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