Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d5809111ec6183c…

MALICIOUS

PDF

45.0 KB Created: 2020-08-15 01:54:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fd1f872c15f173205d587666984fabc4 SHA-1: 6730c9bc9179bb3aedeaa06a09eec4902553d7d2 SHA-256: 1d5809111ec6183cda4abd728474f0bbbfbfa21b1deda5d6e14ec96facd7913f
128 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the phrase 'Alien shooter hack full cho android' and the malicious redirector URL, suggesting a lure for potentially unwanted software or malware. The presence of a visual download button further supports this malicious workflow.

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=alien+shooter+hack+full+cho+android
    • http://kibilugaw.donnafigurski.com/uploads/1/3/0/7/130776483/javutinibarusu.pdf
    • http://files.abundantbehavioralhealth.com/uploads/1/3/1/6/131606289/8540223.pdf
    • https://cdn.shopify.com/s/files/1/0433/4052/9816/files/wonopipitilunusoju.pdf
    • https://cdn.shopify.com/s/files/1/0447/9415/1061/files/33429515963.pdf
    • https://cdn.shopify.com/s/files/1/0435/3395/9327/files/iso_27001_internal_audit_report.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56325204281.pdf
    • https://cdn.shopify.com/s/files/1/0433/6641/6534/files/65476561794.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35535883354.pdf
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/94349461113.pdf
    • https://cdn.shopify.com/s/files/1/0428/1470/1735/files/appendicitis_stages.pdf
    • https://cdn.shopify.com/s/files/1/0434/6766/9654/files/59152147586.pdf
    • https://cdn.shopify.com/s/files/1/0430/9345/9093/files/faxifonediwuloredef.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_off00005ab2.bin
7d89940dfa13af516931598ded677bb3d8c962d71534638f8f80c3d02a435ca6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB2 5160 bytes
font_01_sfnt_off00006c32.bin
96951723f7821e2b0c4da73ac3d1c141b676501dd75879a183acd6a8f088f810		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C32 11148 bytes
font_02_sfnt_off00009147.bin
012369ce243b965708c42a3186be625a70f140daa5003760912f7a5213c86928		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9147 16684 bytes

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