MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links designed to appear as free downloads, but they redirect to malicious infrastructure. The primary redirector URL identified is https://ttraff.ru/pify?keyword=afterthoughts+on+visual+pleasure+and+narrative+cinema+pdf, which is flagged as malicious. The document body, though heavily obfuscated, contains references to this and other PDF download links, suggesting a link farm or SEO poisoning tactic to lure victims. 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=afterthoughts+on+visual+pleasure+and+narrative+cinema+pdf In PDF document text
- http://files.musefuse.org/uploads/1/3/1/4/131483128/5373928.pdfIn PDF document text
- http://files.johnstefanondesign.com/uploads/1/3/2/6/132682022/raremigemedarove.pdfIn PDF document text
- http://files.maternitybabyacademy.com/uploads/1/3/1/4/131453902/3b5b8f60.pdfIn PDF document text
- http://files.umbrapoodles.com/uploads/1/3/1/4/131438651/rimaduve_koduxawe.pdfIn PDF document text
- http://files.savingteachertime.co.uk/uploads/1/3/1/8/131856827/fc1bb16.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/1/0433/5301/4427/files/zotefisiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6534/3126/files/62975707650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4091/3061/files/gaxirufijurijobuvoxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/sibezerusomudezafugol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5590/6973/files/nikatekozarubexujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/68787186605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9241/0525/files/podif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7426/4992/files/nimesufozusanirutuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7938/5756/files/star_wars_battle_front_2_ps2_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/19943335223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4841/8973/files/xonalanuxekik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1253/0081/files/fudofudimilipubimegiwaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1372/6631/files/83667405534.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000073b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B1 | 5620 bytes |
SHA-256: 3e26a0c5faa1563fd38728f7dfa67061ee09f8230d805b57fe258aaf1a3ae0b8 |
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font_01_sfnt_off000086b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B1 | 9956 bytes |
SHA-256: 7f26ba20276c80e13e1688e4a277a45293ff5e5a73e9c0a4cf14ad210e0f185e |
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