MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector infrastructure, ttraff.ru, which is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, appears to be a lure related to 'bible quiz questions and answers'. The presence of a mass external PDF link farm further indicates a malicious intent to distribute content through numerous links, likely for SEO poisoning or to host further malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=bible+quiz+questions+and+answers+in+malayalam+pdf In PDF document text
- http://files.nickydelariva.com/uploads/1/3/1/6/131637656/tanubepuna_vuxenusu_zilodevomalora.pdfIn PDF document text
- http://files.annasalimon.com/uploads/1/3/0/9/130968984/2504653.pdfIn PDF document text
- http://files.dancewithmestudios.com/uploads/1/3/1/4/131406751/0b25a68f5c8.pdfIn PDF document text
- http://files.tinyhivedesign.com/uploads/1/3/0/8/130813732/0829f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7977/0019/files/sukibesubikukurasofaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7104/4770/files/lobotojig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2208/8354/files/89972797438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/35995680818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6048/5541/files/14803472024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0544/3233/files/95399665200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7474/0636/files/pozijorosupanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4161/1173/files/22446960807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/3447633596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0981/8272/files/gomikudetupezego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/jotit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0441/8455/files/wopolarufebalovituvavumej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/wajojonumijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/tavit.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000097a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97A5 | 5628 bytes |
SHA-256: f0d4166f969211f7ec52f62174c7a03a02a57b2feab0fe68b7c17c4a6d3095c9 |
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font_01_sfnt_off0000aac0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAC0 | 10176 bytes |
SHA-256: e0260dadaa1121042007b25e4ade7a0d0e0ccc3900b402a1d9ee5252d0970745 |
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