MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by an ML classifier and contains a significant number of embedded links, characteristic of a link farm or SEO spam campaign. One of the extracted URLs, 'https://ttraff.ru/wix?keyword=action+verbs+for+actors', is identified as a known malicious redirector. The document body contains garbled text but includes the same URL, suggesting it is the primary lure. The presence of numerous benign-looking links from 'static.usrfiles.com' alongside the malicious redirector suggests a multi-stage redirection or a deceptive tactic.
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=action+verbs+for+actors
- https://static.usrfiles.com/ugd/b8c837_5bde45607d7d45798d5c14c2ef08990e.pdf
- https://static.usrfiles.com/ugd/b8c837_10d0b055c36f4579b1d805f4e1d35ce0.pdf
- https://static.usrfiles.com/ugd/b8c837_02a60b90fdae42d2b0f0ddc9c69aa836.pdf
- https://static.usrfiles.com/ugd/b8c837_dd18479d109d46de85fd67a53b13a2f3.pdf
- https://static.usrfiles.com/ugd/b8c837_e05324d297dc4267af379c80f65fd9a1.pdf
- https://static.usrfiles.com/ugd/b8c837_dd2eee70ff68435f8f69e24793e08da0.pdf
- https://static.usrfiles.com/ugd/b8c837_951e570927e8432a904e5e6ccbc294f8.pdf
- https://static.usrfiles.com/ugd/b8c837_9dae9b710cb74eef81b00a83a76f1166.pdf
- https://static.usrfiles.com/ugd/b8c837_aa232c00dec347458a860aaa1b17f07f.pdf
- https://static.usrfiles.com/ugd/b8c837_a4391f989f0747ad83aa98cfd1849e2a.pdf
- https://cdn.shopify.com/s/files/1/0435/6125/5073/files/15945967151.pdf
- https://cdn.shopify.com/s/files/1/0440/9583/2216/files/fidotekeroza.pdf
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/can_t_edit_hosts_file.pdf
- https://cdn.shopify.com/s/files/1/0431/0528/8352/files/itachi_sasuke_wallpaper.pdf
- https://cdn.shopify.com/s/files/1/0431/7213/5074/files/rerizeworakifeven.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_off000064dc.bin5fcfc2c8d10d4eeeded47c1c44a5db8a46caf968d32a0add6b567bbbae5ede55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DC | 5032 bytes |
font_01_sfnt_off00007604.bin8367ba441dbcd320ebbd4d09b2b39edcb13c23f003411d968eefba5d19716e89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7604 | 10036 bytes |
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