MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document body also contains numerous links to other PDFs hosted on various domains, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly indicated maliciousness, supporting the presence of these suspicious links.
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.cc/pify?keyword=armored+core+3+op+intensify+guide
- http://zonerubo.foodsecuritytech.com/uploads/1/3/1/4/131407424/komujixo-puxoduxina-sukateju.pdf
- http://files.postcardsfromsurprisingplaces.com/uploads/1/3/1/4/131438459/niderinodi-videdo-vizazapi.pdf
- http://files.baptistcenterchurch.org/uploads/1/3/0/8/130874496/2653272.pdf
- http://files.collab-corner.com/uploads/1/3/1/0/131071258/64c0f40743.pdf
- http://files.eastsidefoodforthought.com/uploads/1/3/1/3/131381881/wolidik.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/9560/3865/files/19627337440.pdf
- https://cdn.shopify.com/s/files/1/0429/7831/2355/files/61602257981.pdf
- https://cdn.shopify.com/s/files/1/0431/1554/4737/files/tunitomokufeti.pdf
- https://cdn.shopify.com/s/files/1/0436/3878/4158/files/college_physics_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/2122/2567/files/gamecube_emulator_for_android.pdf
- https://cdn.shopify.com/s/files/1/0427/8163/8812/files/4930702095.pdf
- https://cdn.shopify.com/s/files/1/0436/0385/3469/files/pufonix.pdf
- https://cdn.shopify.com/s/files/1/0428/1961/6935/files/xesomibolukedol.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076ff.bin5d74e7265f6916b85cec011a292a2bfb49f22fc74adc9df5d82df68c59ad41d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76FF | 5488 bytes |
font_01_sfnt_off0000899f.bin9c068bf4f4d34c60dc217a9a119d21a4c43e5f7f81b2edd721f2ea7d346d0d97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x899F | 10500 bytes |
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