Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d046126b3ddfa21…

MALICIOUS

PDF

47.9 KB Authoring application: QPDF
MD5: b14bbd9d360c783270e517b66a785aab SHA-1: 8eb3d694d0a81dbd097dac17e4c766e06c360721 SHA-256: 3d046126b3ddfa21cb60205090197241ca546a0bda381faf851430acabef98ab
150 Risk Score

Malware Insights

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

The PDF document was flagged by multiple heuristics, including a critical finding for a 'PDF_SEO_LINK_FARM' and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The presence of numerous external PDF links strongly suggests a phishing or malware distribution campaign. The document body contains garbled text, indicating it is not intended for human readability but rather as a container for these malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://nammoi.net/uploads/1/3/0/5/130588394/69f963e26510.pdf
    • http://juliemariekids.com/uploads/1/3/0/2/130289504/vitizuxirani.pdf
    • http://smokebrushfoundation.net/uploads/1/3/0/6/130639386/birenizav_tugepadesila.pdf
    • http://prouni2025.com/uploads/1/3/0/2/130289205/lijase.pdf
    • http://www.skphotography.es/uploads/1/3/0/7/130739598/tukemejomuje_gilopikij_migip.pdf
    • http://nw9.me/uploads/1/3/0/7/130776006/bimowokelokijomifik.pdf
    • http://remodelcostspreadsheet.com/uploads/1/3/0/9/130969774/3846124.pdf
    • http://sfsparkscheerleading.com/uploads/1/3/0/6/130604564/0fbaba0aa0b53.pdf
    • http://levelofourtimes.com/uploads/1/3/0/6/130604354/3200497.pdf
    • http://bgooddesignllc.com/uploads/1/3/0/7/130776239/nudusokuzanuk_fovozeronid_gikadonolasolig.pdf
    • http://cwrusocceracademy.com/uploads/1/3/0/6/130639129/1253356.pdf
    • http://melas.store/uploads/1/3/0/4/130476348/d6e3efc.pdf
    • http://defenceprocurementnews.com/uploads/1/3/0/4/130436078/77763337a2636f.pdf
    • http://www.chrystalcantrelle.com/uploads/1/3/0/4/130476944/130476944.html#how+many+ages+and+stages+questionnaires+are+there

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005db5.bin
1d3f23353dccd70e551b8a31a833c452bd69ba296b4f695d0fe742f0cd67293b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB5 10024 bytes

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