Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca3d1df43e33e209…

MALICIOUS

PDF

45.1 KB Created: 2020-08-10 09:40:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40a84a289087f976c09eca2f3508b17d SHA-1: fab5dbb87fae15d324973a5e2d02b644d9877b96 SHA-256: ca3d1df43e33e20953d686df7a3199da413ed4e765beb0b0faa3698783c89d7a
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=post+gastrectomy+complications+pdf'. This indicates a phishing or social engineering attempt to lure the user to a malicious site. The document also contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. No scripts were extracted from this sample.

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.cc/pify?keyword=post+gastrectomy+complications+pdf
    • http://files.warrensprinting.com/uploads/1/3/1/3/131383318/lagarup.pdf
    • http://files.vesselhouse.co/uploads/1/3/1/1/131164122/691f9c83.pdf
    • http://mukanejeb.femininewisdomrising.com.au/uploads/1/3/0/8/130873951/ae0f607.pdf
    • http://files.indusvastra.com/uploads/1/3/2/7/132712251/kaneb.pdf
    • http://files.wharfebridgedaynursery.co.uk/uploads/1/3/1/4/131453348/gamusaxefi_betib_kolobefimago_tasobamawerez.pdf
    • https://cdn.shopify.com/s/files/1/0434/2821/6983/files/blackboard_odessa_college.pdf
    • https://cdn.shopify.com/s/files/1/0431/3546/7682/files/a_twist_of_the_wrist.pdf
    • https://cdn.shopify.com/s/files/1/0436/2466/1154/files/17802284915.pdf
    • https://cdn.shopify.com/s/files/1/0431/1698/6534/files/71756818632.pdf
    • https://cdn.shopify.com/s/files/1/0434/0957/1997/files/gedamofizomuxavinulozot.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xasaxikopakepiditewevumub.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22650439267.pdf
    • https://cdn.shopify.com/s/files/1/0433/1739/5611/files/32953488663.pdf
    • https://cdn.shopify.com/s/files/1/0438/1684/5469/files/rogetolenifunebolof.pdf
    • https://cdn.shopify.com/s/files/1/0428/8466/1414/files/83129877015.pdf
    • https://cdn.shopify.com/s/files/1/0429/7896/7703/files/wesojaletido.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_off00007126.bin
9fddfc1d1660cdc84b2e7f4dfd65b8dd9eab6840157b43a78731fce58b14c1ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7126 5576 bytes
font_01_sfnt_off00008415.bin
6eaade63750a574cce84cf848d1bd42a6b0299adc5063f1265fe22a8cf6d5909		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8415 10224 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.