Malicious PDF — malware analysis report

Static analysis result for SHA-256 5764567c77fc852e…

MALICIOUS

PDF

44.9 KB Authoring application: ImageMagick
MD5: 1022272625da03d45e212befbbdbba4c SHA-1: 8b3072b5a8fdf517348a0d9609824829ecfaa519 SHA-256: 5764567c77fc852e65ea34ca59befe8630eb2746ca495a9af255c405c1dc804a
128 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, identified as a 'PDF_SEO_LINK_FARM' heuristic. This indicates a phishing or malicious redirection attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of the file. The document body, though partially corrupted, contains text related to 'Naming covalent and ionic compounds answer key', suggesting a lure to disguise the malicious links.

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://consors.org.uk/uploads/1/3/0/4/130483811/013e09592d7c.pdf
    • http://bodega-capricho.com/uploads/1/3/0/5/130539090/6174731.pdf
    • http://danzigeritzhak.com/uploads/1/3/0/5/130588508/6dd5808017607.pdf
    • http://pinellasperipheralneuropathy.com/uploads/1/3/0/6/130639155/7af250.pdf
    • http://wuedu.co/uploads/1/3/0/5/130588334/tureb.pdf
    • http://prettylittlewaistline.com/uploads/1/3/0/6/130639973/966489.pdf
    • http://eacenter.org/uploads/1/3/0/2/130289186/kuzajuwat_niwolemotul_putejipiworur.pdf
    • http://zambiasafarihunting.com/uploads/1/3/0/5/130551880/130551880.html#naming+covalent+and+ionic+compounds+answer+key

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b0.bin
9e343f05a6d44e511bebc358f82b38b5ae157299c4d61e501cbff08edceaf22a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B0 8904 bytes
font_01_sfnt_off000074f6.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74F6 2652 bytes

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