MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, with a critical heuristic identifying it as a redirector link to malicious infrastructure. The document body, though heavily obfuscated, contains references to the malicious URL and a list of other URLs, suggesting a link farm or SEO manipulation tactic. 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.ru/pify?keyword=saxon+math+8%252F7+with+pre+algebra+answer+key+pdf
- http://demupez.ryanmullaney.com/uploads/1/3/0/8/130814070/3454626.pdf
- http://files.swsmith.com/uploads/1/3/1/8/131856333/mizesewup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0439/7475/4462/files/mogexexa.pdf
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/vunosobibomo.pdf
- https://cdn.shopify.com/s/files/1/0433/0671/3253/files/539367056.pdf
- https://cdn.shopify.com/s/files/1/0429/4819/8556/files/gawozoremikexezuxabanaf.pdf
- https://cdn.shopify.com/s/files/1/0429/6019/1637/files/45080070500.pdf
- https://cdn.shopify.com/s/files/1/0432/3373/8911/files/unbreakable_full_movie_hdpopcorns.pdf
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/ffxiv_you_can_sense_something_swimming_below.pdf
- https://cdn.shopify.com/s/files/1/0460/1502/1223/files/14758365787.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008ba7.bin8d2be12c5a0e95820f308063c3189eba3502fcb3328836e130c06ca29483d9c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BA7 | 6124 bytes |
font_01_sfnt_off0000a060.bin32ea26d776c25cee91ba4e23a007c31608e2d8bc6af25e9febda8d6c6419786a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA060 | 11032 bytes |
font_02_sfnt_off0000c61f.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC61F | 4324 bytes |
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