Malicious PDF — malware analysis report

Static analysis result for SHA-256 d66c77e9ad2bc06a…

MALICIOUS

PDF

57.4 KB Created: 2020-08-13 22:21:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62833e1e0e76c064c0b819453993bc4f SHA-1: 25116a141636a6ccd7bdee12a935d81244790e19 SHA-256: d66c77e9ad2bc06ab90c267ccfef926dd9f141c0f6afb2f3ee28d9500d6f19d3
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, with one critical heuristic identifying it as a PDF link farm. The primary malicious link, 'https://ttraff.cc/pify?keyword=d%2526+d+5ed+paladin+guide', suggests a redirection to a malicious site. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, containing numerous URLs, many of which point to Shopify domains that are confirmed benign, but others are hosted on suspicious domains. The overall structure indicates a likely attempt to lure users to malicious content through a deceptive link farm.

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=d%2526+d+5ed+paladin+guide
    • http://files.graphitenola.com/uploads/1/3/2/7/132741555/c4bc44de585ee83.pdf
    • http://files.jancancan.com/uploads/1/3/1/4/131406413/sosazidisajawaj-ledosol-vaxodavuv-ziwobedomanefon.pdf
    • http://files.northjardotchurchofchrist.org/uploads/1/3/2/6/132683252/6405121.pdf
    • http://files.rolfeslab.org/uploads/1/3/0/7/130775724/vojuwitolagopasigapo.pdf
    • http://vowigepux.clark-parsons.com/uploads/1/3/1/4/131408738/3448336.pdf
    • https://cdn.shopify.com/s/files/1/0437/3171/4202/files/borderline_book.pdf
    • https://cdn.shopify.com/s/files/1/0435/5863/3631/files/36586625305.pdf
    • https://cdn.shopify.com/s/files/1/0433/5910/9279/files/38397134310.pdf
    • https://cdn.shopify.com/s/files/1/0431/8747/0494/files/maxawa.pdf
    • https://cdn.shopify.com/s/files/1/0435/0862/9663/files/50097809840.pdf
    • https://cdn.shopify.com/s/files/1/0431/7921/2960/files/loxudoxasuludupoxulovari.pdf
    • https://cdn.shopify.com/s/files/1/0431/0240/4769/files/75507934283.pdf
    • https://cdn.shopify.com/s/files/1/0431/5109/8007/files/walogigibalaji.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/82963979041.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91146339154.pdf
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/kaweges.pdf
    • https://cdn.shopify.com/s/files/1/0431/4873/8720/files/50132304613.pdf
    • https://cdn.shopify.com/s/files/1/0436/9694/7353/files/xogesipiseneduzekod.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006dc4.bin
10b1e8ca5c1ffd40509c37c8d23269801adcfe34a1607cb54df6c3846a3e687a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC4 3484 bytes
font_01_sfnt_off00007930.bin
97a061c3edbf003cec27263b14cf87277dc1136c98778feb257c6778e411ac42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7930 19300 bytes
font_02_sfnt_off0000af65.bin
5a32361a6d9f2f1af0eb2f45d63e70e8a99d8e76b1ffe594ee650d67d027cd13		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF65 17784 bytes
font_03_sfnt_off0000ca93.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCA93 4324 bytes

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