MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to appear as legitimate downloads, but they redirect to malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate a link farm strategy, with the primary redirector being ttraff.ru. The ML classifier also strongly indicated maliciousness.
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=exploring+american+history+pdf In PDF document text
- http://files.generationjaguar.net/uploads/1/3/1/4/131406437/liguvelerefizo.pdfIn PDF document text
- http://files.alaskadalmatians.net/uploads/1/3/1/3/131380345/ac7ad976cd90.pdfIn PDF document text
- http://files.shorelinebass.com/uploads/1/3/0/7/130776445/595fbc36ba.pdfIn PDF document text
- http://files.anastasiasmitharts.com/uploads/1/3/2/6/132695574/e05a6fabae054.pdfIn PDF document text
- http://fulujoba.ramlcpa.com/uploads/1/3/1/4/131409200/9808736.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/1/0435/5027/7783/files/89735756620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8891/2290/files/napajakedodadamapizesuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/5482/9463/files/damodarastakam_lyrics_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4116/9303/files/69196051457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1739/5611/files/salanokimumotiwis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5180/3033/files/854659895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4940/files/27304309961.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8576/6561/files/4350106571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4180/0860/files/kodi_17._3_ipa_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5572/7260/files/vibowuxatujewiwenobowixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/anime_ost_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2087/6962/files/lerotevanimirosake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3555/0111/files/livufanikawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6217/3602/files/25315437007.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CEF | 2828 bytes |
SHA-256: 2f32373152b86590eb5c993bf8dbb57d20fc33770b92bc1ec6b5fd985d660553 |
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font_01_sfnt_off000156f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156F8 | 5696 bytes |
SHA-256: 130c0ce02f9e8d9aeb76b316fb11f1578dd37315d828f5144bf2753218819e88 |
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font_02_sfnt_off00016a41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A41 | 15664 bytes |
SHA-256: c3ae3cd6d23095a2316c53b414168eab235dfeed7f676b82ff1d7adf989c9283 |
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