Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e520825343d0e0e…

MALICIOUS

PDF

45.1 KB Created: 2020-08-07 17:05:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a6f5ab49a2a09f67b8bd7bbdaee7030 SHA-1: 4912d3f4461e2d35298eb506834644e5e549fe4b SHA-256: 4e520825343d0e0e777d50b0adbf9b3a7eef4f3030a1d96847be675fcdc2aad0
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to PDF files hosted on Shopify, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a malicious redirector link (https://ttraff.cc/pify?keyword=bodyboss+book+pdf), indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'bodyboss book pdf' and the wkhtmltopdf tool, reinforcing the lure. 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=bodyboss+book+pdf
    • http://files.patrolmensdispatch.com/uploads/1/3/1/4/131483391/lerijaf-bipeboxetesa.pdf
    • http://files.firstbaptistchurchleroy.org/uploads/1/3/0/7/130775098/095a0a9cc971.pdf
    • http://files.imadocshighsign.com/uploads/1/3/0/7/130775366/623416.pdf
    • http://files.605mod.com/uploads/1/3/1/6/131636984/veforadonej_lijirukunowevoz.pdf
    • https://cdn.shopify.com/s/files/1/0431/6895/6565/files/manumikofamu.pdf
    • https://cdn.shopify.com/s/files/1/0427/4572/5094/files/tilasufamovavaweba.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/60739539363.pdf
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/fokiwagokowixoj.pdf
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/78557149973.pdf
    • https://cdn.shopify.com/s/files/1/0437/4993/3208/files/80906585983.pdf
    • https://cdn.shopify.com/s/files/1/0428/8679/1334/files/sixovaduxomekegexomovenab.pdf
    • https://cdn.shopify.com/s/files/1/0437/8080/0674/files/pdf_agama_kelas_12.pdf
    • https://cdn.shopify.com/s/files/1/0438/2982/1597/files/varicocele_2020.pdf
    • https://cdn.shopify.com/s/files/1/0429/1254/6975/files/89419025645.pdf
    • https://cdn.shopify.com/s/files/1/0429/1824/8601/files/8924265107.pdf
    • https://cdn.shopify.com/s/files/1/0431/0997/4169/files/sweet_home_alabama_movie_cast.pdf
    • https://cdn.shopify.com/s/files/1/0431/7085/7124/files/51925201573.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_off00007052.bin
3457e29d4e7aca5fbb824a9dc81c89b9a67245a56800c1611fb8dbdbd470a39e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7052 5052 bytes
font_01_sfnt_off000081a5.bin
f5ceade14611886c920918965d95a395fa8f12ff448b0e22c44bc67c286d33bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81A5 10996 bytes

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