MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to a known malicious redirector and for containing a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=tower+defense+king+android+1. While no scripts were extracted, the sheer volume of links and the redirector heuristic point to a malicious intent to lure users to external, potentially harmful, content.
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=tower+defense+king+android+1
- http://dazotare.manisha-sharma.com/uploads/1/3/0/7/130775518/zexukexagirene.pdf
- http://files.greaterhudson.org/uploads/1/3/1/4/131438420/mabebefixilemi_nibavoxopelaz.pdf
- http://wijupig.spiritandtruthchurch.net/uploads/1/3/1/6/131637136/185677.pdf
- https://cdn.shopify.com/s/files/1/0435/5801/1035/files/mercedes_glb_2020_preisliste.pdf
- https://cdn.shopify.com/s/files/1/0437/7119/9642/files/fuse_odg_azonto_mp4_audio.pdf
- https://cdn.shopify.com/s/files/1/0431/6951/3632/files/arches_national_park_map.pdf
- https://cdn.shopify.com/s/files/1/0430/5725/0455/files/kedezonovi.pdf
- https://cdn.shopify.com/s/files/1/0438/4751/6325/files/29376874621.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/64509990277.pdf
- https://cdn.shopify.com/s/files/1/0433/8306/2678/files/7885766371.pdf
- https://cdn.shopify.com/s/files/1/0435/3179/6629/files/livajebax.pdf
- https://cdn.shopify.com/s/files/1/0431/4827/9970/files/zonosaxeju.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zukax.pdf
- https://cdn.shopify.com/s/files/1/0433/7677/1224/files/41478992435.pdf
- https://cdn.shopify.com/s/files/1/0449/7958/5192/files/einstein_equation_derivation.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_off0000723d.bin3ac34721a12192c5d096770990a57e882aff4ec2dc70752268242d8043f8e750 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x723D | 5200 bytes |
font_01_sfnt_off0000841e.bine85b36a0d182d282d29d10d928c3de646a177ee9405630fc037b20f46b81fb10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x841E | 10516 bytes |
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