Malicious PDF — malware analysis report

Static analysis result for SHA-256 a676801409111723…

MALICIOUS

PDF

50.3 KB Created: 2020-08-20 05:27:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8adcd6db8220c97ee6bd6828198ad86a SHA-1: cf6c3c00ff1a3664be0596e21cc03040fcc7cfba SHA-256: a67680140911172329b83affa8165cc561a3168851b5ae0d23ea157bdc2972fd
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. The primary malicious link, 'https://ttraff.com/pify?keyword=besharam+300mb+movie+free', is identified as a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains references to movie downloads, suggesting a lure to entice users to click on the malicious links. The presence of numerous PDF links also indicates a link farm strategy, likely for SEO poisoning or distributing malware.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.com/pify?keyword=besharam+300mb+movie+free
    • http://files.tiffanycrowhurst.com/uploads/1/3/0/7/130739318/robinukulowu_rolilepajagizu.pdf
    • http://ferowi.bandonplayhouse.com/uploads/1/3/1/3/131397997/1d846c020bad.pdf
    • http://files.ellismedlibrary.org/uploads/1/3/1/8/131856398/nijenap.pdf
    • https://cdn.shopify.com/s/files/1/0430/4768/2201/files/fenajolaxifa.pdf
    • https://cdn.shopify.com/s/files/1/0432/5716/8027/files/finubumokiwewusozi.pdf
    • https://cdn.shopify.com/s/files/1/0435/3461/4688/files/gavafowiwadejuzoxam.pdf
    • https://cdn.shopify.com/s/files/1/0430/7494/5184/files/juxewutusobogixiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/1266/9089/files/les_4_accords_toltques.pdf
    • https://cdn.shopify.com/s/files/1/0435/3985/7563/files/varesazekemev.pdf
    • https://cdn.shopify.com/s/files/1/0436/5526/6457/files/xasewil.pdf
    • https://cdn.shopify.com/s/files/1/0454/5308/2782/files/illustrated_arduino_guide.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070c7.bin
ef78b271b2454bf18b2d92400e01fd242f2c2a768a5d729e0c3c4bce2ca89d5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70C7 5532 bytes
font_01_sfnt_off0000837b.bin
f602d97394ec521e29b5ee8e150f47a4c30416d9ecb8fc4be24508a944a7b67e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x837B 10460 bytes
font_02_sfnt_off0000a740.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA740 16164 bytes

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