MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing:Spearphishing Attachment
T1204.002 Malicious File:Malicious Link
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF documents. One URL, 'https://ttraff.cc/wb?keyword=stoic%20mindfulness%20and%20resilience%20training%20(smrt)%20pdf', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The primary attack pattern appears to be SEO manipulation or the distribution of further malicious content via these links.
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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External URI info PDF_URIPDF contains an external URL action
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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/wb?keyword=stoic%20mindfulness%20and%20resilience%20training%20\(smrt\)%20pdf
- http://files.undisputedboxing.ca/uploads/1/3/1/4/131454304/ea91b4b82f45ba.pdf
- http://files.remembermegenealogy.com/uploads/1/3/0/7/130739368/lumirawo.pdf
- http://files.homebirthsupply.com/uploads/1/3/0/7/130775471/6452645.pdf
- http://files.amersonelite.com/uploads/1/3/2/8/132816066/6455256.pdf
- https://cdn.shopify.com/s/files/1/0436/0133/0339/files/96684886619.pdf
- https://cdn.shopify.com/s/files/1/0432/1384/8733/files/xewidubijagu.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/45586129527.pdf
- https://cdn.shopify.com/s/files/1/0439/4962/1406/files/because_he_lives_hymn.pdf
- https://cdn.shopify.com/s/files/1/0429/9181/2767/files/giboduzid.pdf
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/51566557455.pdf
- https://cdn.shopify.com/s/files/1/0431/7301/9808/files/30583041639.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8375/files/gunufutuxolepedizupapuzok.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/96590976540.pdf
- https://cdn.shopify.com/s/files/1/0433/1284/0862/files/aldous_huxley_italiano.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_off00007a83.bin41b609f516245a6436288c76df1d0a900d69a1d5c323c823631fb4d2117172c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A83 | 5732 bytes |
font_01_sfnt_off00008e02.binbabff155d771ca2e5241c4d433e5e701c8ef270aba350a35ae347c7738a285d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E02 | 10012 bytes |
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