Malicious PDF — malware analysis report

Static analysis result for SHA-256 184bccf77c212883…

MALICIOUS

PDF

48.3 KB Authoring application: QPDF First seen: 2020-09-24
MD5: d645f49728a15f363730b2ef4ce7c250 SHA-1: 91fbec975d2ea137d25bf0e485d0b99403dbda81 SHA-256: 184bccf77c2128832c43e475390ea1ec85cf6fa208fe280b1737d513cd9f9ffd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a large number of external links, many of which are structured as SEO-friendly slugs, indicating a link farm. The presence of a 'Click here to download' phrase and a visual download button further suggests a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly supports a malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://adam-butler.net/uploads/1/3/0/3/130313037/nebijimorasa.pdf In PDF document text
    • http://ce-central.com/uploads/1/3/0/4/130488316/timunevuxodoziko.pdfIn PDF document text
    • http://hypersomniac.net/uploads/1/3/0/3/130379673/lulalizibal-dexegukizage-muvikunexiw-mazetefe.pdfIn PDF document text
    • http://feezell.org/uploads/1/3/0/2/130288488/035f773f7b.pdfIn PDF document text
    • http://mercaditosustentable.com/uploads/1/3/0/7/130776381/501ec7.pdfIn PDF document text
    • http://arcityofrefuge.com/uploads/1/3/0/7/130775726/ce72b8d3.pdfIn PDF document text
    • http://patricia44.com/uploads/1/3/0/5/130590122/notozuleji.pdfIn PDF document text
    • http://liquorlawsvt.net/uploads/1/3/0/5/130546880/wodajisul_berukibusobos.pdfIn PDF document text
    • http://myfatlab.com/uploads/1/3/0/6/130620979/korop-mowavoxob-tegeludafaz-kavafikasowaz.pdfIn PDF document text
    • http://prismwellnesspractices.com/uploads/1/3/0/2/130288421/c250c7212a135.pdfIn PDF document text
    • http://breadandbuttertogo.com/uploads/1/3/0/4/130436080/rubajinuvoluzo-garer.pdfIn PDF document text
    • http://you-beautiful.space/uploads/1/3/0/5/130539979/9881798.pdfIn PDF document text
    • http://www.metasurveying.com/uploads/1/3/0/8/130813639/jupife-benoxaziko-gukurepi.pdfIn PDF document text
    • http://babyboom1.site/uploads/1/3/0/5/130588157/4260896.pdfIn PDF document text
    • http://fruithousebakery.com/uploads/1/3/0/5/130588451/7837638.pdfIn PDF document text
    • http://behdar.net/uploads/1/3/0/2/130287873/2578550.pdfIn PDF document text
    • http://ittohtrid.com/uploads/1/3/0/5/130543995/448219.pdfIn PDF document text
    • http://taorinjapan.com/uploads/1/3/0/2/130273582/2668149.pdfIn PDF document text
    • http://zuiderhavendijkconcert.com/uploads/1/3/0/6/130639700/8499721.pdfIn PDF document text
    • http://campuscrowd.in/uploads/1/3/0/4/130476740/gafopuwe.pdfIn PDF document text
    • http://affordableinsurancedirect.com/uploads/1/3/0/4/130488415/wakinazugin.pdfIn PDF document text
    • http://extradecenter.com/uploads/1/3/0/5/130545043/rukoxunejaxagiroteli.pdfIn PDF document text
    • http://alimosphere.com/uploads/1/3/0/6/130622011/firaxibi.pdfIn PDF document text
    • http://renovovations.net/uploads/1/3/0/7/130775154/josiladujugozok.pdfIn PDF document text
    • http://minnesotahydrographics.com/uploads/1/3/0/7/130776201/130776201.html#flow+english+lessons+free+downloadIn PDF document text

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005688.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5688 9480 bytes
SHA-256: 638997344d6eb509ff9248ebaf1d948bc7cc88e2deb0dbce12c34b4e4da4a0eb

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