MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with at least one pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains URLs that appear to be part of a link farm. This suggests the primary purpose is to lure users to malicious sites. 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/pify?keyword=air+cooled+heat+exchangers+and+cooling+towers+pdf
- http://files.psucusa.com/uploads/1/3/0/8/130814193/5dcc558203533.pdf
- http://files.erathmealsonwheels.org/uploads/1/3/0/7/130738836/6b2072cf0.pdf
- http://files.redqueenlitmag.com/uploads/1/3/1/3/131380001/18fbcbdfb5.pdf
- http://files.sacredmotherarts.com/uploads/1/3/1/4/131407102/lepawenarakegetut.pdf
- https://cdn.shopify.com/s/files/1/0440/0594/9590/files/mathematics_in_the_modern_world_college_book.pdf
- https://cdn.shopify.com/s/files/1/0435/3851/4071/files/sch_campbell_sinh_hc.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/tazufeweretogekasezat.pdf
- https://cdn.shopify.com/s/files/1/0434/1858/3192/files/debifaninaladujavexato.pdf
- https://cdn.shopify.com/s/files/1/0433/9371/2286/files/gotaza.pdf
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/pinebidipunovuf.pdf
- https://cdn.shopify.com/s/files/1/0430/0131/5491/files/badoni_sir_maths_notes.pdf
- https://cdn.shopify.com/s/files/1/0434/5797/0329/files/water_pollution_tamil.pdf
- https://cdn.shopify.com/s/files/1/0431/3769/5906/files/minecraft_rpg_server_with_classes_and_quests.pdf
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/gobixevafaxezepibar.pdf
- https://cdn.shopify.com/s/files/1/0429/7618/2426/files/95358287195.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_off00007033.bin8793819d7403d69dc387b1413b01a9b49da49e492768d34fefc69f888c183a33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7033 | 5568 bytes |
font_01_sfnt_off00008336.bine529be458440876033fc4247567c4d1268a0110dc363b0c5f2eaaaa6f209c42c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8336 | 10704 bytes |
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