Malicious PDF — malware analysis report

Static analysis result for SHA-256 f64ebb8523e7312f…

MALICIOUS

PDF

37.2 KB Created: 2020-03-13 02:45:12 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c917d15bcfb6ddecf7d711758e7122e2 SHA-1: a5282721ac9fda21cc2ad59bfa5dd294e76aaa20 SHA-256: f64ebb8523e7312f25843e9366541e22932cf42e60ab811f8d4e6a6effb0301e
70 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically slugged and hosted on unrelated domains, indicating a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains text suggesting it is a calendar PDF, likely a lure to encourage users to click the embedded malicious links. The presence of a 'Download Now' heuristic further supports the idea that the document is designed to trick users into downloading further malicious content.

Heuristics 4

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://6zt2m.salon225.com/uploads/1/3/0/2/130289236/130289236.html#madhyamam+malayalam+calendar+2019+pdf
    • http://asbestosinamerica.com/uploads/1/3/0/6/130605153/zufawuderukilika.pdf
    • http://wordupcafe.com/uploads/1/3/0/2/130272452/503395d53.pdf
    • http://hostmaster.phillongfootphotography.co.uk/uploads/1/3/0/7/130774970/3318a4a46b09.pdf
    • http://qualitygoods2020.com/uploads/1/3/0/6/130604259/a574bfec7f1a.pdf
    • http://ikehmope.net/uploads/1/3/0/8/130813736/3a19638124c.pdf
    • http://terry-martinez.com/uploads/1/3/0/7/130775088/6616427.pdf
    • http://partnertotalrewards.com/uploads/1/3/0/4/130475881/xesavobijemot-kolovida-jufaduko.pdf
    • http://agapanthus-plants.com/uploads/1/3/0/4/130483576/64bfbeaa.pdf
    • http://theperformers.org/uploads/1/3/0/7/130740080/bebijetubop.pdf
    • http://www.fennelonline.com/uploads/1/3/0/7/130776006/rijekovenuwisigixo.pdf
    • http://inspiredwellness411.com/uploads/1/3/0/5/130589381/sorexu.pdf
    • http://deeguitar.com/uploads/1/3/0/9/130969858/lozavarexipujij.pdf
    • http://justmusicbrand.com/uploads/1/3/1/1/131164366/7189723.pdf
    • http://x0113675xstreamtravel.xsideas.com/uploads/1/3/0/7/130738727/lomekililam-rivikeku-xelidiromalan.pdf
    • http://www.wesleychapeldg.com/uploads/1/3/0/5/130589056/nedimadimutexuxaf.pdf
    • http://takwenyatourssafarisltd.com/uploads/1/3/0/2/130288775/wapiludosoji.pdf
    • http://www.kuyenzeka-holdings.co.za/uploads/1/3/0/6/130620631/tipapilevaru-nubefumuw-bawafadogezi.pdf
    • http://www.sftcz.com/uploads/1/3/0/6/130620861/9239828.pdf
    • http://www.arabellaboutiqueofnmb.com/uploads/1/3/0/5/130551922/tevubex.pdf
    • http://al-cooley.com/uploads/1/3/0/3/130323532/buxidagivu.pdf
    • http://www.ntsika.net/uploads/1/3/0/3/130379115/buxijidu.pdf
    • http://thejbird.com/uploads/1/3/0/6/130604151/4ad4fc51e.pdf
    • http://foodbrandingagency.com/uploads/1/3/0/3/130313700/valeje-xevekaf.pdf
    • http://sleepdex.com/uploads/1/3/0/2/130274301/0f1a1b9714d53.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069cd.bin
c2066ca1db25d01bdedfcd2388a05447e0ee67c96efb7e7e6f61fd96a44746f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69CD 6924 bytes

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