Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb0d24c2f33b6619…

MALICIOUS

PDF

43.0 KB Created: 2020-08-19 23:55:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e33c06f515f8197ba6f503e5f20e4dee SHA-1: 69f91e2252f2a245bbe474bb0dd352d3145ce6df SHA-256: cb0d24c2f33b6619585d784909a39d898b121a5f98b684ed019fedcc4b0d8242
130 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure, specifically to a URL related to 'filmic pro crack apk'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, some pointing to benign Shopify URLs and others to unknown domains. The presence of a visual download button lure further supports the malicious intent of directing users to potentially harmful content.

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.ru/pify?keyword=filmic+pro+crack+apk
    • http://files.missoryansclass.com/uploads/1/3/2/8/132816096/gozugivoda.pdf
    • http://files.dawnandduskba.com/uploads/1/3/0/9/130969965/9667223.pdf
    • http://files.uffnofd.com/uploads/1/3/2/7/132712040/ba2547ffa152.pdf
    • http://files.holynativityweymouth.org/uploads/1/3/1/1/131164308/1613852.pdf
    • http://files.rozannaartist.co.uk/uploads/1/3/0/7/130775698/nuladatopizufes-zobanerijasigu-dubusekizow-jadum.pdf
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/automatic_door_systems.pdf
    • https://cdn.shopify.com/s/files/1/0434/8857/5638/files/die_casting_defects_causes_and_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0429/6045/3785/files/1883482777.pdf
    • https://cdn.shopify.com/s/files/1/0438/7173/1880/files/solelagogeba.pdf
    • https://cdn.shopify.com/s/files/1/0450/8942/3525/files/best_novels_of_all_time_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/2794/6904/files/zarolakudini.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6919/files/affectation_minesec_aout_2020.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_off00006c22.bin
a29bcc2432492f1693419212870a367ccbff1c43e4f34408d99218a532196c64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C22 4920 bytes
font_01_sfnt_off00007cc4.bin
50edd82dd4b3786a4f0c3950cf3d40256bea3c91973f00fc79e4dc4687790e6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CC4 10128 bytes

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