MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though obfuscated, contains text related to English grammar, likely serving as a lure to disguise the malicious intent. The primary goal appears to be directing users to potentially harmful external websites.
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=english+plural+form+of+bacterium
- http://darox.adidulza.com/uploads/1/3/0/8/130813420/pubuwax.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://cdn.shopify.com/s/files/1/0433/1238/2116/files/51169308335.pdf
- https://cdn.shopify.com/s/files/1/0430/7465/0261/files/jonixasetijujoba.pdf
- https://cdn.shopify.com/s/files/1/0435/3032/2071/files/60970101876.pdf
- https://cdn.shopify.com/s/files/1/0430/6999/7207/files/57762288105.pdf
- https://cdn.shopify.com/s/files/1/0432/7620/6235/files/50112782894.pdf
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/32009552384.pdf
- https://cdn.shopify.com/s/files/1/0433/4842/6920/files/wepipisajuw.pdf
- https://cdn.shopify.com/s/files/1/0430/9948/8410/files/jazudoneveg.pdf
- https://cdn.shopify.com/s/files/1/0436/1483/0749/files/roparipinupofu.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/midijenilomekutuje.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_off00005a62.bin58c6369535f693fd426f1899927db9ac7e7bf7ffd5b64ac9a78eeb0538a6b234 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A62 | 5524 bytes |
font_01_sfnt_off00006d02.bin63afa1bdccd62985e01c2e06412e4d9179f13ac8eb6fb4ece06b86ddfd6a8c90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D02 | 2492 bytes |
font_02_sfnt_off000077c6.bin80024e93de45f379c97f179c811f62319b35dec06876ef286d96b63ba2d11808 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C6 | 14024 bytes |
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