Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dd3219c38485429…

MALICIOUS

PDF

39.3 KB Authoring application: Mobipocket Creator
MD5: e8705c20ae8ead32d67668b356f1a6ad SHA-1: fecc60300397d30859ca40a2e2967ddedb0deba7 SHA-256: 9dd3219c384854298cc32d83631d6c3ad391761a9e2ccdd05f25604c4472f9e4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to suspicious domains. The document body, though containing some obfuscated text, also includes these links, suggesting a phishing or redirection attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution via these 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 https://lekelidoka.weebly.com/uploads/1/3/0/2/130289377/jelupop-xotaz.pdf
    • http://mylaurabelle.com/uploads/1/3/0/2/130291975/4700412.pdf
    • http://shumaisakhan.com/uploads/1/3/0/5/130548070/birunefakexanajifu.pdf
    • http://donttakemysunshine.com/uploads/1/3/0/3/130323315/6041542.pdf
    • http://amd11z.com/uploads/1/3/0/6/130620490/fadadejelusa_xeguv.pdf
    • http://2019taiwancvcforum.com/uploads/1/3/0/7/130738652/nizebajivifew-faruvawedefawa-bojusejelagaf.pdf
    • http://tereoongatiaukiwa.com/uploads/1/3/0/3/130323723/5409266.pdf
    • http://marcapromocionales.com/uploads/1/3/0/5/130551775/97d33ad.pdf
    • http://reednewday.com/uploads/1/3/0/5/130588231/5766022.pdf
    • http://mychirosense.com/uploads/1/3/0/4/130483487/piloxigis_jiwikunal.pdf
    • http://angelamaxfield.com/uploads/1/3/0/2/130287896/tezuliz.pdf
    • http://cwcphysio.com/uploads/1/3/0/5/130542734/8115268.pdf
    • http://rebeccalaplacaattia.com/uploads/1/3/0/2/130273626/130273626.html#honda+gc160+pressure+washer+manual

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000130f.bin
031f1dfc681158f3f1c6ec669fa6a0d94eb1880efef1062d461ebf633149d70a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x130F 8320 bytes
font_01_sfnt_off00005fbd.bin
d28a72c9259095c75412c3f2ed6f31e12a8a2af1384cf654c2d29f4d56f2b8aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FBD 1592 bytes

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