Malicious PDF — malware analysis report

Static analysis result for SHA-256 f57225d5e02af4da…

MALICIOUS

PDF

39.6 KB Authoring application: Scribus
MD5: ebae0cee3da270ba78e3fda75ad3b0b6 SHA-1: 4379e6318695009a93b877564d4f6e9cf8957202 SHA-256: f57225d5e02af4da74db44792221a67866e27730aab5063ad543d8708ede180d
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, suggesting a phishing or malware distribution scheme. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further support malicious intent. The document body, though truncated, mentions 'Autodesk autocad plant 3d 2019 download' and 'Crack', indicating a lure for pirated software, which is often bundled with malware.

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://ajdevitt.com/uploads/1/3/0/7/130738548/mugujerazonopapa.pdf
    • http://jointhecloister.com/uploads/1/3/0/2/130273571/3d3b9c2e8.pdf
    • http://flatheadboatservices.com/uploads/1/3/0/5/130551362/sojakale.pdf
    • http://sevenflowersfloralshop.com/uploads/1/3/0/2/130288811/8212534.pdf
    • http://bnichicago.org/uploads/1/3/0/5/130588493/moxumitologabuxebi.pdf
    • http://insideou.net/uploads/1/3/0/7/130739886/3397094.pdf
    • http://www.lovelightheal.com/uploads/1/3/0/5/130538997/8ddcaa133006.pdf
    • http://food.work/uploads/1/3/0/6/130639812/de1e45cd.pdf
    • http://natationlaval.com/uploads/1/3/0/8/130874156/6264818.pdf
    • http://bbailey24.com/uploads/1/3/0/6/130639275/piberiximoji.pdf
    • http://evmrealty.com/uploads/1/3/0/4/130489351/kafafu_vapojadidefaz.pdf
    • http://worldwide.international/uploads/1/3/0/2/130289731/9a462f902de4731.pdf
    • http://silver-linings-speechtherapy.com/uploads/1/3/0/2/130272478/pofutemebifu-mijopamolaso-gugez-fasuxewo.pdf
    • http://aznationalmedia.com/uploads/1/3/0/8/130815664/2396169.pdf
    • http://verticaltech.net/uploads/1/3/0/6/130604834/zaxojukok.pdf
    • http://www.detroitvintageandshenanigans.com/uploads/1/3/0/4/130476700/gozitas.pdf
    • http://kubikweb.com/uploads/1/3/0/6/130621226/nebizoregixam.pdf
    • http://truedefdentallaboratory.com/uploads/1/3/0/5/130588740/kalororenesi.pdf
    • http://vps18.pleasingfood.com/uploads/1/3/0/6/130620948/130620948.html#autodesk+autocad+plant+3d+2019+download
    • http://aznationalmedia.com/uploads/1/3/0/8/130815664/23961

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b56.bin
e50baca96644b8d6515183ea549e2d450840b5150d42c917224632b253982569		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B56 8568 bytes

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