Malicious PDF — malware analysis report

Static analysis result for SHA-256 26682c70c0489c0c…

MALICIOUS

PDF

88.3 KB Created: 2020-09-01 04:47:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cc64facb5a912ddd7a7269366f04ce2 SHA-1: 40ba744dfd028c5ec84f65d9d4013b48f67cf128 SHA-256: 26682c70c0489c0c6bbf1d7c142a750a64cfcf3ba4c42570e3a5a30f2148c315
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a link farm and a specific malicious redirector URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates the primary link leads to known malicious infrastructure. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to trick the user into visiting a harmful site.

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/wix?keyword=aggressive+driving+behavior+scale+pdf
    • https://cdn.shopify.com/s/files/1/0431/7875/4199/files/faxisawawajuxifoneno.pdf
    • https://cdn.shopify.com/s/files/1/0428/0346/2303/files/97719154794.pdf
    • https://cdn.shopify.com/s/files/1/0433/4659/1903/files/55323116024.pdf
    • https://cdn.shopify.com/s/files/1/0434/1180/0220/files/networking_ebooks.pdf
    • https://cdn.shopify.com/s/files/1/0438/1471/5549/files/mathematics_calculator_techniques.pdf
    • https://static.usrfiles.com/ugd/405339_6e15edbd4f504306b4eee840bbec04f0.pdf
    • https://cdn.shopify.com/s/files/1/0433/6405/7238/files/tamasha_songs_musicbadshah.pdf
    • https://cdn.shopify.com/s/files/1/0465/8174/3783/files/android_1_modded_games.pdf
    • https://cdn.shopify.com/s/files/1/0432/3010/1668/files/fifty_shades_darker_full_movie_free_putlockers.pdf
    • https://cdn.shopify.com/s/files/1/0432/5815/1072/files/zawidofugunuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/1308/7142/files/fuwotivuzaxug.pdf
    • https://cdn.shopify.com/s/files/1/0432/8220/2782/files/whatsapp_video_status_punjabi_songs.pdf
    • https://cdn.shopify.com/s/files/1/0439/2127/7096/files/msc_zoology_practical_book.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_off00011190.bin
4fed6a13a258b76493d833284922fa744161538022e8fbc9d9e1f3e2f17e49c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11190 5608 bytes
font_01_sfnt_off000124a3.bin
ae435daab7b3d428c4fb1692af730e9035ab96f569d549ecb97e2666ab17d42d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x124A3 15216 bytes

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