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 the primary heuristic identifying a redirector to malicious infrastructure. The document body, though heavily obfuscated, appears to be a lure related to 'Fender amp field guide schematics'. The ML classifier strongly indicates maliciousness. The primary IOC is the malicious redirector URL.
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=fender+amp+field+guide+schematics
- http://files.harshandsweet.com/uploads/1/3/1/4/131437680/borevotum_zolobobi_jupokipojisobo.pdf
- http://files.suzannejoyal.com/uploads/1/3/0/9/130969166/kabadaz.pdf
- http://files.lrldesigns.com/uploads/1/3/0/7/130776120/sedezolubumaxuz.pdf
- http://files.chippewavalleyleatherworks.com/uploads/1/3/1/6/131637640/ecb9d445db7d19.pdf
- http://files.chippewavalleyleatherworks.com/uploads/1/3/1
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62654677968.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/degejuwetisagemudow.pdf
- https://cdn.shopify.com/s/files/1/0432/5805/2763/files/xetoxekivet.pdf
- https://cdn.shopify.com/s/files/1/0434/2707/0104/files/wokosiziderepe.pdf
- https://cdn.shopify.com/s/files/1/0430/3582/0185/files/zojusemuzezujoseje.pdf
- https://cdn.shopify.com/s/files/1/0435/8062/0963/files/xapitapemodo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48466687054.pdf
- https://cdn.shopify.com/s/files/1/0431/7252/8292/files/wunurudopevova.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41267837863.pdf
- https://cdn.shopify.com/s/files/1/0437/1247/9382/files/31723469254.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdf
- https://cdn.shopify.com/s/files/1/0428/8125/3535/files/46799525397.pdf
- https://cdn.shopify.com/s/files/1/0431/4837/8274/files/puwusamilalijowijofake.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_off0000b7f5.binc940080c5b85b1339048642eca1375dbfe01cbdbfc4fdfde975b9658546ed607 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7F5 | 5296 bytes |
font_01_sfnt_off0000c9c7.binb763dd9831bb9e40b7b41331b9a6cfc4729ede6effd34e8767c6c045e224aac2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C7 | 13368 bytes |
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