MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains text that appears to be metadata rather than user-facing content, and the embedded links likely serve to redirect users to malicious sites or download further payloads. The primary malicious IOC is the 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.cc/pify?keyword=speak+now+1+pdf
- http://files.asd2forms.com/uploads/1/3/0/9/130969083/5055819.pdf
- http://files.takeabreakfromtheinterstate.org/uploads/1/3/2/3/132303353/rafudiwuxokelod.pdf
- http://files.ageniart.com.au/uploads/1/3/1/3/131398338/6827641.pdf
- http://files.alanbazin.com/uploads/1/3/0/8/130813111/8112702.pdf
- http://files.weansweredthecallfilm.com/uploads/1/3/1/4/131452806/dexewavuwupa.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/ps3_emulator_for_mac.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/wasojibaderotodi.pdf
- https://cdn.shopify.com/s/files/1/0427/4749/4567/files/97883453971.pdf
- https://cdn.shopify.com/s/files/1/0436/1093/1358/files/39614084541.pdf
- https://cdn.shopify.com/s/files/1/0433/9027/1638/files/64311041827.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/5843942040.pdf
- https://cdn.shopify.com/s/files/1/0433/2666/8952/files/zokanajizof.pdf
- https://cdn.shopify.com/s/files/1/0432/0156/0737/files/walupomozimorizazutomar.pdf
- https://cdn.shopify.com/s/files/1/0435/6738/2687/files/15934062639.pdf
- https://cdn.shopify.com/s/files/1/0429/2198/4166/files/37639555748.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_off000043b6.bin321b75dafaa95856181c03621b4a3a1a7e91f77c67a4e8b25876353f686ad090 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43B6 | 5040 bytes |
font_01_sfnt_off00005513.bin117b1be24e0293b935190ca09d874d0d4461c25a91a18e3c240cedd08cc00e8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5513 | 8820 bytes |
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