MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.ru/pify?keyword=peltier+effect+pdf'. This URL is designed to lure users into clicking through to potentially malicious content. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing its role as a lure. The ML classifier also strongly indicated maliciousness.
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=peltier+effect+pdf In PDF document text
- http://files.rescuedada.net/uploads/1/3/1/3/131380005/xoxapuvuram-zuvunegivuj-divageragewi.pdfIn PDF document text
- http://files.wretchedmom.com/uploads/1/3/0/7/130739288/putatuxevovene.pdfIn PDF document text
- http://files.kauaifoodofthegods.com/uploads/1/3/1/3/131381946/wogojujedoz.pdfIn PDF document text
- http://files.creativeprintables.org/uploads/1/3/1/3/131379296/febafowazivefovum.pdfIn PDF document text
- http://files.greatscottideas.com/uploads/1/3/0/7/130776499/gigifugazuzaw_sibenozubegefa.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/1/0434/8854/2872/files/pofijumam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1958/3138/files/zoxavodopetoxevisupebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9516/2022/files/suwamefod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9096/7714/files/xilikisaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3907/1144/files/do_while_js.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8845/3533/files/43858246735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7790/3263/files/mepagubujifofukerosisudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3990/6209/files/jaxuzex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3464/7460/files/57634319252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/vafurizupoxurugeritew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5850/3584/files/amumu_jungle_runes.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_off000098fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98FD | 4764 bytes |
SHA-256: b814128ee2ee6e363135cb3d555b83a1cdbc83ba3caec652a96e929dc07cc962 |
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font_01_sfnt_off0000a945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA945 | 10872 bytes |
SHA-256: c2caff8353055fd3a9de429d3ac24bbf231e7a2adf4850059fd4128c44df1fd1 |
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font_02_sfnt_off0000ce25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE25 | 16108 bytes |
SHA-256: a6084831d910e190a3d08f96e5f78455ba45c8295a05a389334638e59bed44cb |
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