PDF malware analysis — malicious · d8e51c90f1d2df9d

MALICIOUS

PDF

44.9 KB Created: 2020-08-30 14:22:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e426245a448c3afa037936e67c113c9f SHA-1: bfc790cc4c06d8fd193b3b4b3b1625412b5f922e SHA-256: d8e51c90f1d2df9d86a30f2d9f65176410edb4db575807cbdee4527e170890b2

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a chapter summary lure and embeds numerous links, including a critical redirector URL to ttraff.cc. This suggests the document is designed to lead the user to malicious infrastructure, likely for phishing or malware distribution. The ML classifier strongly supports the malicious verdict.

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.cc/wix?keyword=der+richter+und+sein+henker+chapter+summary
- https://cdn.shopify.com/s/files/1/0433/1202/1657/files/fegojumasili.pdf
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/converting_degrees_to_radians_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/poxopumev.pdf
- https://static.usrfiles.com/ugd/0d9a50_f243a12b9a584d169e2b966f3c8300fb.pdf
- https://static.usrfiles.com/ugd/b8c837_a97515deabf44a8f893645208f2536d5.pdf
- https://static.usrfiles.com/ugd/badafb_48f94ff656c84479885504bf94f570b0.pdf
- https://static.usrfiles.com/ugd/b8c837_f5d37feffc15469badd09f3a45dd958d.pdf
- https://cdn.shopify.com/s/files/1/0438/5662/5829/files/gta_5_cheats_pc_download.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7917/files/minimap_mod_1._8._9.pdf
- https://cdn.shopify.com/s/files/1/0432/7053/7374/files/20972126080.pdf
- https://static.usrfiles.com/ugd/f3cb45_39cd45441da34409884ef966c716c542.pdf
- https://static.usrfiles.com/ugd/10b11f_eabe1fabd72641dab412ed8a997246ba.pdf
- https://static.usrfiles.com/ugd/d5cf39_dccb1b04c3a34070996a19c159c15a4b.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_off000070bb.bin` `0dddc79dd6565e649522932aa6951a4e7a06db84ce6de1db7658ef5da1eecdce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70BB	5448 bytes
`font_01_sfnt_off00008323.bin` `ea6cbc09368cf1f8193488d80c711243833f50dddd40a1ee9bbc405655992452`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8323	10832 bytes

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