MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which are part of a link farm designed to improve search engine ranking and direct users to potentially malicious content. One URL, 'https://ttraff.ru/pify?keyword=arsene+lupin+pdf+gratuit', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Arsene Lupin pdf gratuit' and the authoring application, suggesting a lure for free content. The ML classifier strongly flagged this PDF as malicious.
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=arsene+lupin+pdf+gratuit In PDF document text
- http://files.neflopioidepidemic.com/uploads/1/3/0/8/130874201/bupotupinubapamijosa.pdfIn PDF document text
- http://files.stbrendansreds.com/uploads/1/3/2/3/132303024/turidibutira_kesanekafasow.pdfIn PDF document text
- http://rozowob.3wheeldriveonline.co.uk/uploads/1/3/1/4/131409090/rixibesonax_polakomejinuko_rigab.pdfIn PDF document text
- http://files.ebcentre.co.nz/uploads/1/3/0/7/130738801/rugunifiwetatizalusi.pdfIn PDF document text
- http://files.sscoinworks.com/uploads/1/3/0/7/130776590/ribowejelexux.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/1/0436/8809/9993/files/bevuganezugojerevojewono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/lipenimamijamukipobol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/45414095656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/welilavuruwad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1571/6516/files/16011906506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9718/5701/files/dillion_harper_college.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/kapuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2861/9168/files/84486294179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9311/5548/files/85656947292.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/welitufuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9209/8726/files/66347118245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/zakogelikigetuxoxoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5540/7511/files/fizabane.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_off00006521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6521 | 5200 bytes |
SHA-256: a5675060c47447c65e5ddacfec46c96c877f270744d6cf576bb2f55ff0d4302d |
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font_01_sfnt_off000076e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E2 | 15212 bytes |
SHA-256: 3cc8d943c920c1379a1e1103372d15499eb9f564567673c6b4f831af817df8b2 |
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font_02_sfnt_off0000a62a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA62A | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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