Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2479568633eb445…

MALICIOUS

PDF

33.8 KB Authoring application: Serif PagePlus
MD5: 62496bd3ee888e516721f813a295d0c3 SHA-1: 3b6c7c275de93d97ff027b191fab32e46ad7356a SHA-256: b2479568633eb4459746ebc35c2b5e36396f6e23cefbcf243057492ed0200a10
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique commonly used for SEO manipulation or to distribute malicious payloads. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. The document body's text, while partially garbled, mentions 'Html basics pdf download', suggesting a lure to entice users to click on the 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://familyunitedservicesinc.org/uploads/1/3/0/5/130588377/77714890544.pdf
    • http://cherishedrubies.com/uploads/1/3/0/7/130739452/7564661.pdf
    • http://paolospazzini.com/uploads/1/3/0/5/130539344/ec02f.pdf
    • http://www.tarzan.online/uploads/1/3/0/2/130287310/nuloxuje.pdf
    • http://webmail.propertopper.com/uploads/1/3/0/3/130323642/4938754.pdf
    • http://americanbrickandlandscape.com/uploads/1/3/0/8/130813132/wakupazuxolobogani.pdf
    • http://www.aearthsport.com/uploads/1/3/0/5/130550801/7985549.pdf
    • http://mocomocomilano.com/uploads/1/3/0/2/130270763/4827953.pdf
    • http://mhchefitzportfolio.com/uploads/1/3/0/7/130738803/wokaribikogusaxiz.pdf
    • http://www.rookone.co.uk/uploads/1/3/0/9/130969235/472622.pdf
    • http://usedofficechairs.net/uploads/1/3/0/5/130588210/5b514525.pdf
    • http://tallahasseewmc.com/uploads/1/3/0/7/130776490/viwawuri.pdf
    • http://arcadiagardensllclandscapinganddesign.com/uploads/1/3/0/6/130621527/130621527.html#html+basics+pdf+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cd3.bin
4ec629d1db12200a3450b0fe2e2f67579b38462739d791deeebd1a4fcb719abd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD3 7736 bytes

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