Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a6496f35792ba3d…

MALICIOUS

PDF

39.7 KB Authoring application: ImageMagick
MD5: c1dcb3e4d184d33b9d8584fd36e2150b SHA-1: a2a12e853659f28694ec9bd47c3a3ff28d1f4eff SHA-256: 5a6496f35792ba3d450e0b618dee6aa6e1773e67a38dbad0d6b443267d39d05e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO poisoning or to direct users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and link farm suggest it's designed to redirect users to potentially harmful content hosted on the listed domains.

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://office365online.live/uploads/1/3/0/7/130775672/mibokaxomigadidowid.pdf
    • http://divinespirithealingcenter.org/uploads/1/3/0/8/130874284/14ad5f9ea501.pdf
    • http://cantortradegroup.com/uploads/1/3/0/6/130639368/1ebf720f5bcc69.pdf
    • http://mysoulsingsstudio.org/uploads/1/3/0/5/130588513/e405163aaebc227.pdf
    • http://southsoundwomenade.org/uploads/1/3/0/4/130483957/gomeruneralado.pdf
    • http://ottawatowingpros.com/uploads/1/3/0/3/130313309/9f082372d49f23f.pdf
    • http://mx.arcancientaromatherapy.com/uploads/1/3/0/8/130814195/09456b06c.pdf
    • http://www.butterfliesandsweat.co.uk/uploads/1/3/0/6/130639611/vusamuke_sajaxe_kowebafatipor.pdf
    • http://wondermentpress.com/uploads/1/3/0/7/130738528/50635.pdf
    • http://www.stableconnections.ca/uploads/1/3/0/7/130775484/borowosef_sijuliza_wusezozap_jajole.pdf
    • http://kapmedia.org/uploads/1/3/0/6/130639956/0812f5236d7f15.pdf
    • http://luhome.me/uploads/1/3/0/7/130775396/fb06f0b8.pdf
    • http://cfthomas.com/uploads/1/3/0/5/130544823/watusixuxosigurewoni.pdf
    • http://www.bbv-asbeco.de/uploads/1/3/0/8/130873828/vilis-lujipe.pdf
    • http://michaelpachelo.com/uploads/1/3/0/4/130477110/kijotivufef.pdf
    • http://advocateproject.org/uploads/1/3/0/3/130323109/1942357.pdf
    • http://detroiti.org/uploads/1/3/0/6/130621695/5248347.pdf
    • http://determinedtolearn.info/uploads/1/3/0/5/130550756/matezibozakitu.pdf
    • http://www.robs-crypto-tab.com/uploads/1/3/0/3/130313783/5fb6324c01e773.pdf
    • http://vps2-internal.pleasingfood.com/uploads/1/3/0/2/130271187/130271187.html#oscar+wilde+stories+the+selfish+giant

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ce6.bin
a6164327b66be764a4a6e26b41381d544fd93ea87d6a19189e448263938553ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CE6 7740 bytes

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