Malicious PDF — malware analysis report

Static analysis result for SHA-256 80dbac091276a654…

MALICIOUS

PDF

37.9 KB Authoring application: pstoedit
MD5: 543170a07f4745079af5dde52b3b16f1 SHA-1: b84bea02cb284da8f100475c502bf994f61f00d3 SHA-256: 80dbac091276a654d2b4fd8aa6c8ffa79aede235b6e4c2d93db82574f4b151b8
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 external links, a technique commonly used for SEO poisoning or phishing campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body itself is heavily obfuscated but contains many of the same URLs found in the link farm heuristic, reinforcing the malicious nature of the document.

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://jpland21.com/uploads/1/3/0/4/130476798/48357c.pdf
    • http://miraprintservices.com/uploads/1/3/0/2/130273735/ed98d45f66.pdf
    • http://nailwitchery.com/uploads/1/3/0/4/130483592/rutorarupisi.pdf
    • http://gaycockhero.com/uploads/1/3/0/5/130589276/mafilizen.pdf
    • http://bloomingdalecorporatecenter.com/uploads/1/3/0/5/130550712/leturunovikanim.pdf
    • http://3mdentallab.com/uploads/1/3/0/6/130604575/8633012.pdf
    • http://bearcreekaquatics.com/uploads/1/3/0/4/130489727/luririn-mewoninew-valadebenozariz.pdf
    • http://top1percenter.com/uploads/1/3/0/4/130483153/timadi.pdf
    • http://mold-a-rama.net/uploads/1/3/0/7/130739332/be75b38b11c.pdf
    • http://professionalbeveiliging.nl/uploads/1/3/0/6/130620267/davewivizupub-mafexigoruzevop.pdf
    • https://naxidenisenap.weebly.com/uploads/1/3/0/3/130379430/dosevatakozev-fijux.pdf
    • http://meshayla.com/uploads/1/3/0/6/130605521/130605521.html#form+for+pan+card+duplicate

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001227.bin
36595201ad1f8d1620d26bd92590f3429fd66ab450f5dc63378713765f298bd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1227 7024 bytes
font_01_sfnt_off00004cc1.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4CC1 16164 bytes

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