MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed to host SEO-optimized PDFs. The document body, though partially corrupted, contains text suggesting a 'benevolent fund form' lure, and a visible 'download' button heuristic further supports a phishing or scam attempt. The primary malicious URL identified is https://ttraff.ru/pify?keyword=benevolent+fund+form+2020+pdf, which redirects to other PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=benevolent+fund+form+2020+pdf In PDF document text
- http://files.digi-kits.com/uploads/1/3/0/8/130815026/rupilamawe_jegarigodule.pdfIn PDF document text
- http://files.schematherapycanberra.com.au/uploads/1/3/1/3/131383771/76303e.pdfIn PDF document text
- http://files.joyfullyyours.net/uploads/1/3/1/3/131381799/nokokalevex.pdfIn PDF document text
- http://files.nmuralikrishnan.com/uploads/1/3/1/3/131379553/merebisibapavor.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/1/0428/0965/5462/files/32053726160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8058/1274/files/prentice_hall_literature.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/3_storey_school_building_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1368/4891/files/30228114946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/senuluketisaxikax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2812/7637/files/99059980649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9848/6424/files/34582278914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tokon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3730/1653/files/11909343132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3619/6507/files/17649210196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/89011491671.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_off00006983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6983 | 5180 bytes |
SHA-256: 23ac19eb40418a0d107cac26ce34bb26d008177cedf371b5a0473dc458d6e383 |
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font_01_sfnt_off00007b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B15 | 2268 bytes |
SHA-256: 72a3fe65f0a21df30f240897224061cfa351088b80a4eb601fb5defb198ec993 |
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font_02_sfnt_off00008527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8527 | 10924 bytes |
SHA-256: 9c96648e4e0346bba627006b8876be57ec5afa69dc923ababeb1ca554623ebbd |
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