MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service that is known to host malicious content. The document body and heuristics indicate a lure for free downloads, likely leading to a phishing or malware download site. The ML classifier strongly supports the malicious verdict.
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=hansaplast+insect+bite+patch In PDF document text
- http://files.willsphotographypa.com/uploads/1/3/0/7/130739654/bujixojabaxosa-vevawe-lomikazixibet-pamos.pdfIn PDF document text
- http://files.francesmcmahonward.net/uploads/1/3/0/7/130739828/932577.pdfIn PDF document text
- http://files.yellowbirdnestweddin.com/uploads/1/3/1/4/131407968/3b584f27f.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/1/0434/3896/4903/files/dark_eldar_codex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2122/2567/files/artificial_intelligence_in_pharmacy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0433/8074/files/tonesoxizonex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5644/7136/files/nucleophilic_substitution_reaction_of_benzene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/lufupuvolupi.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/1/0432/4337/2699/files/satoshi_mines_bot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/milazagadivasejufubexewig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0967/9265/files/before_and_after_numbers_worksheet_for_kindergarten.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_off000064f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F4 | 5024 bytes |
SHA-256: ec045ba662f2c3382c7204da947374fb8f95e6ccab0b7d7a8a4fd975b43a9956 |
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font_01_sfnt_off000075f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F0 | 2092 bytes |
SHA-256: 6e5de5c6bcb7fdd8c5ca0d25823a8f80e6c764803c1b732dbc9c425a5c0f8ea5 |
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font_02_sfnt_off00007f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F96 | 11100 bytes |
SHA-256: 92ce9edce825e34a59b319554ad3d2a9aa8f3b1fb8be3cdba4e05425f2274bd4 |
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font_03_sfnt_off0000a5a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5A9 | 16144 bytes |
SHA-256: 18f56b7fae04e07bc119a468ad323bdda099da77b0772854d1c47cc1f39b9f3b |
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