Malicious PDF — malware analysis report

Static analysis result for SHA-256 4445f3541a65885d…

MALICIOUS

PDF

42.0 KB Authoring application: Solid Converter PDF
MD5: a83a02d96b7f31a4bc1b04c3820e0572 SHA-1: 300097db4232a06becc03d9604332370ac84989b SHA-256: 4445f3541a65885dd2d6f7fd69bf9676978faf125272837f498a3875e3410f89
128 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm pointing to numerous other PDF files, a common technique for SEO poisoning or phishing lures. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The document body, though heavily corrupted, contains phrases like 'Click here to download' and mentions 'Damsel in dior paris guide', suggesting a deceptive call-to-action to trick users into downloading malicious content.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://diz.wosistemas.com/uploads/2020/01/29/taferowuluji.pdf
    • http://dsmodes.com/uploads/2020/01/28/mubatu.pdf
    • https://javafetomojex.weebly.com/uploads/1/3/0/5/130551449/nudapogigipuza.pdf
    • http://michelleshero.com/uploads/1/3/0/4/130483422/duvadetizuvi.pdf
    • http://aaagospelminister.com/uploads/1/3/0/4/130491319/wiguvodiv.pdf
    • http://vegu.excelorbit.in/uploads/2020/01/27/xemasofap_tusomalaxovege_gosopekerupem.pdf
    • http://cooleysleep.com/uploads/1/3/0/4/130475996/wolilum.pdf
    • http://consumercreditcure.com/uploads/1/3/0/6/130603782/vunumodikofu.pdf
    • http://remotedatabaseadministrators.com/uploads/1/3/0/5/130543764/zijapezip.pdf
    • http://gg-jewelry.ru/uploads/2020/01/28/32304.pdf
    • http://chewoncakes.com/uploads/1/3/0/6/130639651/130639651.html#damsel+in+dior+paris+guide

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001259.bin
06be643b262de73c15de15fbde58d6c218a0ff92c5a7c11072d63381c7cbd12d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1259 8632 bytes
font_01_sfnt_off00005cb5.bin
5d7ebd720715cd86529581f1d40cc643f68465477bd430d4be5ff736bc95f798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CB5 16268 bytes

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