MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=yamaha+moto+4+250+manual'. Another heuristic flagged the document as a PDF SEO link farm due to the mass of external PDF links. The document body contains garbled text but includes the same search query as the malicious URL, suggesting a lure for users searching for specific manuals. No scripts were extracted from this sample.
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=yamaha+moto+4+250+manual In PDF document text
- http://files.lakecountyiltransition.com/uploads/1/3/1/6/131637928/3933337.pdfIn PDF document text
- http://files.forkliftpartspro.com/uploads/1/3/2/6/132696112/082c48.pdfIn PDF document text
- http://files.vintagechicanew.com/uploads/1/3/1/4/131437889/gatigin.pdfIn PDF document text
- http://files.acracademy.com/uploads/1/3/0/8/130873855/difev_metesegulusa_waxadetavesivil_weneporagoweduj.pdfIn PDF document text
- http://files.foodloveblog.com/uploads/1/3/1/3/131380868/vosirijofa.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/1/0430/4273/4237/files/44212136484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8386/6007/files/miwoxonigades.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9535/0684/files/56921882600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/nosipifebitur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4473/2065/files/jebijas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6019/1637/files/22793501800.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1456/9640/files/bojikuloretalovitawezizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/70559812426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9607/1578/files/mivulerukisapomakazip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6314/8695/files/49310113051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2069/8268/files/54268505007.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_off000050ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50AE | 3312 bytes |
SHA-256: cb5c8c6405a97e289a1d37fd8f3fa0fb9a9e5cd02c3f475be668e5c7f8c23a8c |
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font_01_sfnt_off00005c8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C8F | 5100 bytes |
SHA-256: 3c36b12e64e0c5a58686dadcd17d10bc635546ca804f4f78b6eba79b431965b9 |
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font_02_sfnt_off00006dcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DCF | 9656 bytes |
SHA-256: eaf3baa4b7effb1cab1a966a6000a01333b832ee72f11dc305feff2afe77948b |
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