Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d40f1477b0aeb23…

MALICIOUS

PDF

38.0 KB Authoring application: Serif PagePlus
MD5: 913be3b324924ab67dad9946e418e734 SHA-1: 6bf8def6ecb1bf87acf3c9e7a6b6dbaa1758b2fc SHA-256: 3d40f1477b0aeb23fe41f6876b21d51ea87c75463d38c8b91218837343b48972
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, identified as a link farm. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' suggests a phishing or traffic redirection intent. The document body, though heavily obfuscated, also contains several of these URLs, reinforcing the link farm attack pattern. The primary goal appears to be directing users to external, potentially malicious, PDF content.

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://nudevember.net/uploads/1/3/0/5/130551339/8d86431.pdf
    • http://geoffcodeswebsite.com/uploads/1/3/0/3/130323185/visumomo.pdf
    • http://directordean.org/uploads/1/3/0/6/130605324/digivuwa.pdf
    • http://mieswholesalemeats.com/uploads/1/3/0/3/130323789/wirawu.pdf
    • http://phsmostl.com/uploads/1/3/0/5/130590295/subefa-soxodesi-judumulaz-kudekinu.pdf
    • http://desertside.com/uploads/1/3/0/6/130605255/panevigipogov.pdf
    • http://pilatesandyogawithsharon.com/uploads/1/3/0/5/130588551/40834323551c.pdf
    • http://wildelements.com/uploads/1/3/0/7/130776196/dinijego_wutetaluburixij_kajozutotisokib.pdf
    • http://mykarl.info/uploads/1/3/0/6/130604935/xanukogekog_fulesig_kurixe_gijalesaranap.pdf
    • http://anopenproject.ca/uploads/1/3/0/5/130539125/fonezulirevim_xofubaxuzelodot_xulegonis.pdf
    • http://trainingcenterchurches.com/uploads/1/3/0/7/130776132/258ab18d60cd5e.pdf
    • http://alicevictoriadesign.com/uploads/1/3/0/4/130435717/ditoforojefa.pdf
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/4/130483140/130483140.html#jeopardy+meme+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001368.bin
1fddc017ebe0ea607fa3a517dab66c9e59e1670c67d4b0a8ea17548caeb52bd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1368 8168 bytes

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