PDF malware analysis — malicious · 160494790c060aff

MALICIOUS

PDF

34.4 KB Created: 2020-08-19 03:32:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c995dd498709ec69fcd00790c9e4a708 SHA-1: ed2ff970e7580aed49d325c1521659aeb8d1a7d6 SHA-256: 160494790c060aff11b2e5d58f2de6c2bdeffccdeb5b9a94404ced593c6e4170

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a malicious redirector URL, ttraff.com, which is designed to lead users to a large collection of other PDF files. This technique is often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports a malicious intent.

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/pify?keyword=kiruna+guidetur+reviews
- http://files.milesforcf.org/uploads/1/3/0/7/130738614/8fa7a8c92fed09.pdf
- http://pobanad.yukimuli.com/uploads/1/3/0/9/130969352/b1966e6b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7757/4562/files/81583548003.pdf
- https://cdn.shopify.com/s/files/1/0431/3228/9175/files/94033703574.pdf
- https://cdn.shopify.com/s/files/1/0437/0399/2485/files/29370920231.pdf
- https://cdn.shopify.com/s/files/1/0431/4798/5053/files/motir.pdf
- https://cdn.shopify.com/s/files/1/0433/6094/4286/files/camden_yards_seating_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/6952/2599/files/da_form_1380.pdf
- https://cdn.shopify.com/s/files/1/0428/6418/1404/files/dabasaloresifo.pdf
- https://cdn.shopify.com/s/files/1/0433/2093/4558/files/tadudepekiwebapidef.pdf
- https://cdn.shopify.com/s/files/1/0433/9191/0038/files/39428271307.pdf
- https://cdn.shopify.com/s/files/1/0428/1538/9855/files/cable_tv_channel_package_price_list.pdf
- https://cdn.shopify.com/s/files/1/0429/3532/0742/files/33408941216.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004af2.bin` `257eb8f7a331cedbe7de9cd8f4ed697fb78cb7ff0465012ed94e9a93eb816ba4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4AF2	5080 bytes
`font_01_sfnt_off00005c51.bin` `7d99a623cf3114b404eb8fb19d8bf49fd9a452c3d01ea00c4da41326a599bd83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C51	9600 bytes

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