Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0d6189311d5477c…

MALICIOUS

PDF

39.1 KB Created: 2020-08-30 05:20:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 07edf8f92b13fb8a2164efc5c2f54f2b SHA-1: 7a13262462a34e70436889e28003dda4197f4569 SHA-256: a0d6189311d5477cf5bfd900cc8b83634f02ed72d5dd4b4d11862638340add5c
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. This indicates the document is designed to lead the user to malicious infrastructure. Additionally, a PDF link farm heuristic was triggered, suggesting a broad attempt to distribute malicious content. The document body contains a call-to-action phrase, reinforcing the lure.

Heuristics 4

  • 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.
  • 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 https://ttraff.com/wix?keyword=download+warkop+dki+reborn+part+2+streaming+layarkaca21
    • https://cdn.shopify.com/s/files/1/0439/5941/9038/files/mass_effect_andromeda_biotic_build.pdf
    • https://cdn.shopify.com/s/files/1/0434/6091/9461/files/netun.pdf
    • https://cdn.shopify.com/s/files/1/0448/2321/6290/files/dajimif.pdf
    • https://cdn.shopify.com/s/files/1/0433/2191/7598/files/actos_de_comercio_definicion.pdf
    • https://static.usrfiles.com/ugd/de60da_561a266d5ee7448a9cf282e1db736276.pdf
    • https://cdn.shopify.com/s/files/1/0439/3274/5896/files/self_editing_for_fiction_writers.pdf
    • https://cdn.shopify.com/s/files/1/0429/7352/8213/files/sample_flyer_templates_free.pdf
    • https://static.usrfiles.com/ugd/ea78e0_3e067f6b51dd4637b76c11bedba7f5b3.pdf
    • https://static.usrfiles.com/ugd/dd4472_38469537bd66484eaad38d4ff177c1a7.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058be.bin
6c6aff83a28dfa132791bf2176f3ba82ef15917502ca8f24da2462ad5ca262cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58BE 5972 bytes
font_01_sfnt_off00006d1f.bin
1f37ef12b737ba0f17b87425042961b767c5f98a712b885c22a3e948f1880d56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D1F 10128 bytes

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