MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector, disguised with a seemingly relevant keyword. The document body, though heavily obfuscated, contains the same URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate destination and potentially host malicious content. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=fisiopatologia+do+cancer+de+mama+pdf
- http://files.chinapivotsource.com/uploads/1/3/1/0/131071043/9f9e81.pdf
- http://files.mud-lusciouspotterybymichelle.com/uploads/1/3/0/7/130775916/dbfb1.pdf
- https://cdn.shopify.com/s/files/1/0433/3115/8175/files/college_physics_a_strategic_approach_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9635/9580/files/pamiroxowutikokegupov.pdf
- https://cdn.shopify.com/s/files/1/0428/6670/4550/files/kizamapegefade.pdf
- https://cdn.shopify.com/s/files/1/0435/7806/5059/files/32967713656.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8973/files/free_templates_wordpress_for_photographers.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/webomobituwisumepepaxifi.pdf
- https://cdn.shopify.com/s/files/1/0433/7529/6670/files/52014347355.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8917749958.pdf
- https://cdn.shopify.com/s/files/1/0444/1836/7654/files/epigenetic_modification.pdf
- https://cdn.shopify.com/s/files/1/0430/9165/6864/files/application_programming_interface_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/jipovevikaw.pdf
- https://cdn.shopify.com/s/files/1/0435/2222/8376/files/29384688472.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_off0000f485.bin0796031583f6f4d86f2015335f96a2fa1c5091b77a8c8bc2ab86b6b8f1a59391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF485 | 5432 bytes |
font_01_sfnt_off000106e6.bin75c3890b3f824d5ee69594831a81aebf36fa5012eddcfed28e4ae918ec361bba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E6 | 10540 bytes |
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