MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure at `ttraff.ru`. The document body, though malformed, contains the same keyword as the redirector URL, suggesting a lure to trick users into clicking malicious links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wix?keyword=dise%25C3%25B1o+y+comunicacion+visual+bruno+munari+pdf+download
- https://cdn.shopify.com/s/files/1/0435/6869/3407/files/oral_biopsy_procedure.pdf
- https://cdn.shopify.com/s/files/1/0431/4831/2730/files/a_for_andromeda.pdf
- https://cdn.shopify.com/s/files/1/0432/8118/6971/files/27017518311.pdf
- https://static.usrfiles.com/ugd/1a89c8_1eb8e0b324c245d4ac36144aee9cce71.pdf
- https://static.usrfiles.com/ugd/575363_9d425f3116134e9f996b8ed948a13166.pdf
- https://static.usrfiles.com/ugd/b8c837_cafbaa95d8724e1cbb564a3883c79c92.pdf
- https://static.usrfiles.com/ugd/77eba6_16307961e0554c55840abadd4ae5239e.pdf
- https://static.usrfiles.com/ugd/64d889_f493ba8ea1fe46efac05bd19af1c90af.pdf
- https://cdn.shopify.com/s/files/1/0431/1475/8293/files/abernethy_malformation_management.pdf
- https://cdn.shopify.com/s/files/1/0434/5049/9222/files/39076974844.pdf
- https://cdn.shopify.com/s/files/1/0440/2990/2998/files/66197088638.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/31672959013.pdf
- https://cdn.shopify.com/s/files/1/0440/6411/2805/files/53829215012.pdf
- https://cdn.shopify.com/s/files/1/0431/9900/4831/files/pimofufodutov.pdf
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/tadujikutibudaderani.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_off0000457e.binef0e19687bb67fa31f45a19c2ebd4f7adee7e219d46a5d84b4eef23086d858d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x457E | 5908 bytes |
font_01_sfnt_off0000594f.bin5266e9827418dc9eba25e15da957d2b04d9273e12e7a2fbd8096549148a8530c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x594F | 9712 bytes |
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