PDF malware analysis — malicious · 512ad1485b5a2e2b

MALICIOUS

PDF

45.7 KB Created: 2020-08-21 20:54:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 25033777e284fb1b4ddac1f3aea8809c SHA-1: 0f32d2cd3e2f6a2e058241f57f0a07f5389cb444 SHA-256: 512ad1485b5a2e2b2b74a1d0df956398cd38f0fbf233ddc45f08d8b1a2338a3c

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.ru', which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, suggesting a lure for users interested in acrylic sheets. No scripts were extracted, but the PDF structure and embedded URLs strongly indicate a phishing or redirection attempt.

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.ru/pify?keyword=acrylic+sheet+cut+to+size+toronto
- http://zisafeza.jakyoga.com/uploads/1/3/2/6/132696056/sajaxitar_putibex_mazibogobavufu_fudapasemixa.pdf
- https://cdn.shopify.com/s/files/1/0432/8564/3420/files/6997996821.pdf
- https://cdn.shopify.com/s/files/1/0430/9303/3111/files/86450592219.pdf
- https://cdn.shopify.com/s/files/1/0432/1411/0880/files/32883516771.pdf
- https://cdn.shopify.com/s/files/1/0441/1061/0584/files/51001402756.pdf
- https://cdn.shopify.com/s/files/1/0432/3531/1775/files/tumor_de_cabeza_de_pancreas.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8871/files/bigemunowafutotisif.pdf
- https://cdn.shopify.com/s/files/1/0431/4434/7799/files/xuxivupadolivosizir.pdf
- https://cdn.shopify.com/s/files/1/0434/5734/7746/files/windows_mediea_player_9.pdf
- https://cdn.shopify.com/s/files/1/0437/9744/6818/files/32501652210.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_off0000758f.bin` `b7f4d4d7f541bf551dc8908ed54999d1b5df3ea5b0f28dfa96b933db6af228b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x758F	4816 bytes
`font_01_sfnt_off000085f7.bin` `93cabb3f2a3bd171870f4e6ec69baecd8860e0f123124bb776468cdc1f446b8b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85F7	10716 bytes

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