MALICIOUS
170
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a link farm designed for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.ru/pify?keyword=doraemon+cartoon++free+mp4', which is presented as a download lure. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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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=doraemon+cartoon++free+mp4 In PDF document text
- http://files.haltnorth.com/uploads/1/3/0/7/130739831/3753369.pdfIn PDF document text
- http://files.manningdesignla.com/uploads/1/3/1/0/131070289/5106171.pdfIn PDF document text
- http://nafofa.goodcompany.works/uploads/1/3/0/8/130874359/6184997.pdfIn PDF document text
- http://files.mattduffybaseball.com/uploads/1/3/1/3/131380786/2b6f90e42.pdfIn PDF document text
- http://files.dianegravel.com/uploads/1/3/1/6/131636745/nadavigazinanafe.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/1/0429/7110/3395/files/vexafaviguxaxagatojigip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4903/1592/files/geledemewizoponotoka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7141/3151/files/causation_and_correlation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9721/7440/files/angry_birds_transformers_telepods_qr_codes_hack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6757/files/kirevezogifetikuxepijire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2219/5608/files/xubebatitudixuvanar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/79135321733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/gafabinapuwul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3077/2901/files/vepufunopazuzef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/7843/8302/files/jenaxagagedigarule.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006026.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6026 | 5036 bytes |
SHA-256: 43592d114724e210f7963d7e6c29f81bf16b7c9c4af3541aabf3ca7640203e68 |
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font_01_sfnt_off00007137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7137 | 10716 bytes |
SHA-256: 141ef9183eeb404e2f48c94727f204f0d120453d126c91061de0ab876de78362 |
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font_02_sfnt_off0000955c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x955C | 16352 bytes |
SHA-256: 9cb0650af5bdb2e8593988a361a40fe1030b61ea25d8fce7fab67310e0b1f9a7 |
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