MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to known malicious redirector infrastructure. The heuristic firings indicate this is a malicious redirector and part of a link farm, likely for SEO poisoning or phishing. The document also suggests it is password-protected, a common tactic to bypass gateway scanning.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.cc/wix?keyword=la+ciudad+de+las+damas+siruela
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/joker_graphic_novel.pdf
- https://cdn.shopify.com/s/files/1/0432/1342/2753/files/wuwuf.pdf
- https://cdn.shopify.com/s/files/1/0432/8754/3964/files/ctet_december_2020_notification.pdf
- https://cdn.shopify.com/s/files/1/0437/0549/9803/files/lenowuzaxisul.pdf
- https://static.usrfiles.com/ugd/b8c837_f63ae19d6cf245e1ad93679d93250429.pdf
- https://static.usrfiles.com/ugd/299074_a3ba82c8a2b6425494cc1970304d9e29.pdf
- https://static.usrfiles.com/ugd/b5472a_76cc3f80e51b471ca59e2a995433d16a.pdf
- https://static.usrfiles.com/ugd/0049ca_08c63e5f9fd44d11974139fb09d1872d.pdf
- https://cdn.shopify.com/s/files/1/0433/9079/5941/files/goxogonavoxupujolekapewu.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/2_digit_by_1_digit_multiplication_worksheets_grade_2.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8744/files/sejoxilugimaw.pdf
- https://static.usrfiles.com/ugd/8c0e65_a34cca0bf65a408cb60ad449601a9fcc.pdf
- https://static.usrfiles.com/ugd/83b1b3_413117ca59784807869a886852d26579.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_off00008dd5.bincd0d9d31141de602b8cd6b5b344e841f8f4c0495b0105dd6497cb82416900d8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DD5 | 5024 bytes |
font_01_sfnt_off00009ecb.bine02ec76c1eb83e3b9a385177b22bf5359b7427532090b252ba80a9351fb99a0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ECB | 11368 bytes |
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