PDF malware analysis — malicious · d1446219f31f961a

MALICIOUS

PDF

41.9 KB Created: 2020-08-08 18:46:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 75d92ff194d985a9988cf46b07818cad SHA-1: a8010ed6e2de609f36034c35a1f51a1b4948a6d3 SHA-256: d1446219f31f961a9935715724b33893152d39096e71c6113bc124a39da0b4f2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and several other URLs that appear to be part of a link farm designed to improve search engine ranking for malicious content. The primary intent appears to be directing users to malicious infrastructure via the ttraff.ru redirector.

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.ru/pify?keyword=un+anthropologue+sur+mars+pdf
- http://files.musee-militaire.com/uploads/1/3/0/8/130874678/tejaze.pdf
- http://files.katelynnmills.com/uploads/1/3/1/8/131856105/492c63799.pdf
- http://files.upandaboutroofing.com/uploads/1/3/1/8/131860378/pafep-towoj-xotomode-sajimef.pdf
- http://files.aspenvalleywildlifesanctuary.org/uploads/1/3/1/4/131483386/2841042.pdf
- http://files.fisherlawcorp.com/uploads/1/3/0/7/130776326/54519.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/french_persian_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0429/0769/7305/files/83109796521.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/sikalastic_1k.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/53734075365.pdf
- https://cdn.shopify.com/s/files/1/0434/2172/8919/files/black_belt_memory.pdf
- https://cdn.shopify.com/s/files/1/0441/2126/0184/files/4e_player_s_handbook_2.pdf
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/microsoft_office_on_ubuntu.pdf
- https://cdn.shopify.com/s/files/1/0434/0740/9319/files/cd4011be_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0431/1495/4908/files/similividudixefez.pdf
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/73460358209.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9887/files/82628794401.pdf
- https://cdn.shopify.com/s/files/1/0432/7941/7504/files/sipilalojufepamosololum.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000062f7.bin` `b19e42a24309d36fd059b7641d8ade467eb1468b3841c1297eb9831ae640d79d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62F7	5448 bytes
`font_01_sfnt_off00007553.bin` `1ccbbacccb18b5713a3a10ab66e3d2726997d8af21cf37229b4004f759539c0f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7553	11796 bytes

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