Malicious PDF — malware analysis report

Static analysis result for SHA-256 f313e8c4fc6594d6…

MALICIOUS

PDF

46.5 KB Created: 2020-08-01 18:56:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9a6beab1e95e57a64c5ae3b7781b0f91 SHA-1: e6eb60557604134b9b066402553331a0958421c3 SHA-256: f313e8c4fc6594d6a12b0232b38c0b0054fc713a0b74b18fe0aecb161c4f8a95
128 Risk Score

Malware Insights

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

This PDF document contains a link farm and a malicious redirector. The embedded URL 'https://ttraff.cc/pify?keyword=battlestar+galactica+watch+order' is a known malicious redirector, indicating an attempt to lead the user to a harmful destination. The presence of numerous links to PDF files hosted on Shopify suggests a tactic to generate traffic or potentially mask malicious activity within a large number of seemingly benign files. The document also contains a visual download button lure, further encouraging user interaction with the malicious links.

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.cc/pify?keyword=battlestar+galactica+watch+order
    • http://files.vitalvisionstraining.com/uploads/1/3/1/4/131438899/2456282.pdf
    • http://files.cisenoughisenough.org/uploads/1/3/0/8/130874237/75f064402119.pdf
    • http://files.erinzak.com/uploads/1/3/0/9/130969742/lejijubodopaguwufaja.pdf
    • http://files.fredwinkowskiillustration.com/uploads/1/3/2/8/132816066/8cc3196bfa.pdf
    • http://files.jessiedallasdesigns.com/uploads/1/3/0/7/130739084/jawibim.pdf
    • https://cdn.shopify.com/s/files/1/0428/7964/7900/files/27733024552.pdf
    • https://cdn.shopify.com/s/files/1/0433/0556/6366/files/57799014531.pdf
    • https://cdn.shopify.com/s/files/1/0433/3237/0584/files/survey_of_accounting_7th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0430/7861/5189/files/54830919122.pdf
    • https://cdn.shopify.com/s/files/1/0431/1420/1241/files/16058117302.pdf
    • https://cdn.shopify.com/s/files/1/0431/7426/4996/files/zobukexoxupufo.pdf
    • https://cdn.shopify.com/s/files/1/0430/1455/3763/files/sakixarijunawofamosuxek.pdf
    • https://cdn.shopify.com/s/files/1/0430/7940/1632/files/35594191113.pdf
    • https://cdn.shopify.com/s/files/1/0441/4645/8776/files/13560406246.pdf
    • https://cdn.shopify.com/s/files/1/0430/9526/1348/files/27065371481.pdf
    • https://cdn.shopify.com/s/files/1/0436/5352/9753/files/89658759204.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdf
    • https://cdn.shopify.com/s/files/1/0438/5007/2224/files/80917063234.pdf
    • https://cdn.shopify.com/s/files/1/0431/2327/7973/files/mamefowosabozitewozamova.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_off0000769d.bin
71284cc647696d3186405a08e15326c9f90422d00820fc60c39bf3b147e93f12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x769D 5340 bytes
font_01_sfnt_off000088d2.bin
cd50a5ab92242208f5a0e776a4dad0cfa1e0e9967aee47e1012bbc0492048ad8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88D2 10452 bytes

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