Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d46e127b8944415…

MALICIOUS

PDF

32.4 KB Authoring application: Serif PagePlus
MD5: e3e701211abc95264fb66b5196dd5fe9 SHA-1: bbd284043f858c458070726ac6e9157764ed5b58 SHA-256: 0d46e127b8944415295f8f7c8f3baf3bc4c1b629bbc3dfff3815e2f15de2d5da
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified as a link farm, which is a common technique for SEO manipulation or distributing malicious content. The ClamAV detection and ML classifier strongly indicate maliciousness, with the heuristic specifically naming it as 'Pdf.Phishing.TtraffRobotInstall'. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://mundial.church/uploads/1/3/0/5/130589223/fenizixabe-jelomala-bisudakojo.pdf
    • http://www.flythecoopfarmsitting.com/uploads/1/3/0/7/130775027/420550.pdf
    • http://osiedlepostepu.pl/uploads/1/3/0/4/130476076/melifoka.pdf
    • http://www.clicktrayhelp.writeituseit.com/uploads/1/3/0/3/130379353/7551549.pdf
    • http://doolittlefamilyfarms.com/uploads/1/3/0/4/130476348/e41557bb186.pdf
    • http://www.khsnow.com/uploads/1/3/0/5/130540010/xugibedubivumu-bezorupumofa.pdf
    • http://petrapreschool.net/uploads/1/3/0/5/130540789/5248227.pdf
    • http://natonee.com/uploads/1/3/0/7/130775808/2b48c92d90a.pdf
    • http://carretillasbarcelona.net/uploads/1/3/0/2/130289734/6015290.pdf
    • http://uxpuli.com/uploads/1/3/0/3/130313107/fulonofipujebox_xexubax_kodax.pdf
    • http://cequime.com/uploads/1/3/0/8/130814642/130814642.html#airport+extreme+a1354+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000029cb.bin
ff0cae427ad4ae469980d8f39c8efeb8e36f1ee17173048eed176bd58b961251		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29CB 7480 bytes

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