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, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to technical manuals and the malicious URL, suggesting a lure for phishing or malware delivery. The ML classifier strongly supports the malicious nature of this PDF.
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/wix?keyword=ashrae+standard+62.+1+user%2527+s+manual
- https://cdn.shopify.com/s/files/1/0439/0082/9848/files/ender_3_stepper_motor_specs.pdf
- https://cdn.shopify.com/s/files/1/0437/8427/4081/files/36365158902.pdf
- https://cdn.shopify.com/s/files/1/0437/8243/9063/files/vefumoketufa.pdf
- https://cdn.shopify.com/s/files/1/0434/1746/9080/files/63514721252.pdf
- https://cdn.shopify.com/s/files/1/0434/1497/8718/files/partes_internas_de_la_computadora_pa.pdf
- https://static.usrfiles.com/ugd/430cb2_05658ee8939741608e246ad1961c486f.pdf
- https://cdn.shopify.com/s/files/1/0431/9382/7485/files/metodos_de_la_sociologia_ejemplos.pdf
- https://cdn.shopify.com/s/files/1/0429/5403/1270/files/ways_of_the_world_3rd_edition_chapter_2.pdf
- https://cdn.shopify.com/s/files/1/0432/2885/6477/files/anatomy_of_fitness_501_yoga_exercise.pdf
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/boxolixasesuvabudebovega.pdf
- https://cdn.shopify.com/s/files/1/0434/1858/3192/files/85875953036.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004eb9.bind76f4b27b3ab23ea065fdfcb4d1673ebd70fe74b21dc555e133479191c78a798 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EB9 | 5180 bytes |
font_01_sfnt_off00006024.binaf418871517a58a65ffc02f8d532c221bfc2375f22d678357eeb036f02e54b6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6024 | 10328 bytes |
font_02_sfnt_off0000837c.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x837C | 4324 bytes |
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