MALICIOUS
194
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 redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=filter+a+list+python', suggesting a lure to a phishing or scam page. The presence of a large number of PDF links also indicates a potential link farm or SEO manipulation tactic.
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=filter+a+list+python In PDF document text
- http://files.vieparlafoi.com/uploads/1/3/0/8/130874148/repenemu_satodorafunuwuw.pdfIn PDF document text
- http://files.dominicksalvatore.com/uploads/1/3/1/6/131607063/34a0c8f266c.pdfIn PDF document text
- http://files.msmarlenesoffice.com/uploads/1/3/1/6/131606146/9054524.pdfIn PDF document text
- http://files.artsforactfineartauction.com/uploads/1/3/1/1/131164313/584f5f8b4b92f.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/1/0427/8855/2870/files/masirutum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/74765338070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6993/1671/files/muzofufojomedekakozalug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/90307639992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0633/6930/files/47934054942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8720/7327/files/vawibosuxonukakadubijunir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9691/4600/files/674797650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jamitaribigonekadori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/rovex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3287/0037/files/14688640110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7090/5750/files/biruporuneraxojeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8237/5577/files/monivixedegusafuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5951/0424/files/muromezuv.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9555 | 4964 bytes |
SHA-256: 539f5cfa5d18067fe2d2931fb595631b891590a61023489d7aef1eff311a416a |
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font_01_sfnt_off0000a631.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA631 | 3508 bytes |
SHA-256: c9c1075aa37ac8d476268b24e51156a047bddecdbda7b766632e612e80b26d9e |
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font_02_sfnt_off0000b3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FC | 15568 bytes |
SHA-256: 13698d7930ec404488517b34bc80cb48d1c19a7d0cf0d001eae67bc4c79134f1 |
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font_03_sfnt_off0000e4dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DD | 16352 bytes |
SHA-256: a235935b7da1a3e0dfb4386fa22d70075346861adeac55da3f8f322ddd140fe5 |
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