Malicious PDF — malware analysis report

Static analysis result for SHA-256 05d5a0ab8a291799…

MALICIOUS

PDF

48.2 KB Created: 2020-08-30 06:20:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5459d2df5f9688188b98f21a133929ed SHA-1: 36bc7f0a9faa754d33c88e63fde690e402d3d2ac SHA-256: 05d5a0ab8a291799c89e7df8f96191f4a404dbec238a6490ad3e6809478554ac
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many pointing to Shopify domains hosting PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.club, which is likely the primary malicious objective. The document body contains garbled text but includes the malicious URL, indicating an attempt to disguise or obfuscate the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.club/wix?keyword=harmy+despecialized+return+of+the+je
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0465/0362/4856/files/82991628091.pdf
    • https://cdn.shopify.com/s/files/1/0434/5351/3880/files/41525596846.pdf
    • https://cdn.shopify.com/s/files/1/0434/3165/7637/files/certainty_and_uncertainty_lesson_2_answers.pdf
    • https://cdn.shopify.com/s/files/1/0464/9756/2776/files/25136331421.pdf
    • https://cdn.shopify.com/s/files/1/0429/5013/1878/files/wafusetevutasujafuxol.pdf
    • https://cdn.shopify.com/s/files/1/0433/9548/1750/files/38454817665.pdf
    • https://cdn.shopify.com/s/files/1/0433/7673/8462/files/14949587414.pdf
    • https://cdn.shopify.com/s/files/1/0431/5086/8646/files/36570894057.pdf
    • https://cdn.shopify.com/s/files/1/0434/2192/5543/files/heart_shaped_box_template.pdf
    • https://static.usrfiles.com/ugd/74a852_c3dd81db8e76421eb67597c4616d1f3f.pdf
    • https://static.usrfiles.com/ugd/b8c837_3270bd92a9ed44c6a1e819e0cae4c74f.pdf
    • https://static.usrfiles.com/ugd/cf14a4_cbdc05f7ee274dca8c4a5f0ec21229e5.pdf
    • https://static.usrfiles.com/ugd/f1d680_637174b8a8c243b18bf8342ebb1238cd.pdf
    • https://cdn.shopify.com/s/files/1/0433/2450/6266/files/sugokulewabe.pdf
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/36724396325.pdf
    • https://cdn.shopify.com/s/files/1/0431/4837/8266/files/12944066254.pdf
    • https://cdn.shopify.com/s/files/1/0431/9592/4640/files/91648026204.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000079d9.bin
b16cd7f1029299f26f4669f9c3e78a902231453ebccab0762b6c13f4ced91f1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79D9 5584 bytes
font_01_sfnt_off00008cbc.bin
589fbee24a87e84e46e9dc2b740785618e84b3e866aa0ce430d4d8aed04e4415		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBC 12016 bytes

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