PDF malware analysis — malicious · 72f132fa2de6faab

MALICIOUS

PDF

69.1 KB Created: 2020-08-30 04:32:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b562b813aeead1a15296ecd0a25d6767 SHA-1: c8beb802dc73ec1a3a96695b33972e19ac35534d SHA-256: 72f132fa2de6faab546e94ff4606c74abbc58e8d3473c10a51cf8eb1859008c6

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains. The ML classifier strongly indicates maliciousness. The primary attack pattern involves luring users to a malicious site via embedded links.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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.com/wix?keyword=deslinde+de+responsabilidades+medicas
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/5842/9089/files/49996877157.pdf
- https://cdn.shopify.com/s/files/1/0433/7437/9157/files/18299983202.pdf
- https://cdn.shopify.com/s/files/1/0434/1032/5671/files/dream_on_chords.pdf
- https://cdn.shopify.com/s/files/1/0439/8468/3166/files/warhammer_40k_imperial_knights_codex_download.pdf
- https://static.usrfiles.com/ugd/b8c837_ce05cf86db0144eb851017ae7d83654a.pdf
- https://static.usrfiles.com/ugd/0779a3_532c0fd7da4b479db75ccbb6a050bc3d.pdf
- https://static.usrfiles.com/ugd/fe83c3_a86e463bc39248b2a7e13e6c248aa7b0.pdf
- https://static.usrfiles.com/ugd/b8c837_f2f26b1b0fb64600a79035d287cac504.pdf
- https://static.usrfiles.com/ugd/73cb9e_d60dd19392f943f18c8f90354d005b2b.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c05b.bin` `93fa037f17018d7ea585ec6f0b08223d3967e6e9b8a357fb26b5b774ff828315`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC05B	5068 bytes
`font_01_sfnt_off0000d15b.bin` `ad943af0d89bf755fda2bbecb73ac2c580f6199152a365c1624c2391546616aa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD15B	12036 bytes
`font_02_sfnt_off0000f816.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF816	4324 bytes

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