PDF malware analysis — malicious · 74ce93d7253180a3

MALICIOUS

PDF

44.7 KB Created: 2020-08-30 04:29:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0e64846475338c26a414861d0b1edfaa SHA-1: 80e96d8558a65712a2798ac54cf817052baf608e SHA-256: 74ce93d7253180a38bab110f5703c2b4002beb90795a513df8bc74e4968894ae

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains a link to a known malicious redirector, ttraff.com, which is likely used to funnel victims to further malicious content. The document also hosts a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. While no scripts were directly extracted, the presence of embedded URLs and the malicious redirector strongly indicate a phishing or redirection attack.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=best+paladin+feats+pathfinder
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/b8c837_39044a32bfad445e97bd14847e22d029.pdf
- https://static.usrfiles.com/ugd/34e21e_a7426d99c678458b9f42db8e0040c7c3.pdf
- https://static.usrfiles.com/ugd/b8c837_3c00d0d0797c4653b174009bcae3e607.pdf
- https://cdn.shopify.com/s/files/1/0441/4029/8392/files/22215389160.pdf
- https://static.usrfiles.com/ugd/b8c837_de645057731a4d4885797e5ec200911f.pdf
- https://static.usrfiles.com/ugd/b8c837_bad4b69883224d7d8273a374c929be27.pdf
- https://static.usrfiles.com/ugd/bfbc46_bd43ab5a32ab47dd9e96fc7b2d775b03.pdf
- https://static.usrfiles.com/ugd/7baf93_eac1c5fcdb364a92b595bcc7e5d4e4bd.pdf
- https://static.usrfiles.com/ugd/df4650_d52db05a66784410acc58e90faf95fbc.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_off000066a3.bin` `352974a8e89de152390a8bbd69e58de6acc6f2a3bb26c025dfbf61259ffefec5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66A3	4856 bytes
`font_01_sfnt_off0000770a.bin` `11f7a0ed68ffbef12686a9319fbc84805e1fc1b7bc816b25f7b4efcbf1437e4a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x770A	9748 bytes
`font_02_sfnt_off00009862.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9862	4324 bytes

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