Malicious PDF — malware analysis report

Static analysis result for SHA-256 af492992209cfbde…

MALICIOUS

PDF

32.5 KB Authoring application: SWFTools
MD5: 7645b26180aeeda2ec03be00e1a5d1a3 SHA-1: 8393fdbe1d42d6500a1b69c8a532a38f74c23fb3 SHA-256: af492992209cfbdeccc9ab6e0d1b5cd3683901fa1cb32fd77d9b7149cacf7624
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to 'Banca digital bod descargar apk', suggesting a lure related to a digital banking application. The embedded URLs likely lead to further malicious content or phishing pages. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and malware distribution intent.

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://millerfamilylawn.com/uploads/1/3/0/6/130604636/fa5b1.pdf
    • http://partnertotalrewards.com/uploads/1/3/0/5/130547624/d2c4fc281e9d.pdf
    • http://taideinto.com/uploads/1/3/0/5/130590779/8141607.pdf
    • http://untameddemure.com/uploads/1/3/0/6/130639413/9337716.pdf
    • http://mynaturalhairspa.com/uploads/1/3/0/7/130775544/130775544.html#banca+digital+bod+descargar+apk

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000100a.bin
1fb8eb83e5ac984798d8942537bee8b3195a5e6d6d507f8911a9bfe878c58332		 pdf-font-stream PDF embedded font (sfnt) at offset 0x100A 8780 bytes
font_01_sfnt_off00004009.bin
eaa4dde51fd04d4db8dc223d97e5e1aeb2070941b7c144db1acc557f645d9ab7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4009 4184 bytes

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