MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including Shopify. One prominent link, 'https://ttraff.ru/pify?keyword=volitional+form+of+hairu', is flagged as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to direct users to malicious content.
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=volitional+form+of+hairu In PDF document text
- http://kugosuja.peppermintstickck.com/uploads/1/3/1/3/131380177/tixizujevug.pdfIn PDF document text
- http://files.gfibriansah.com/uploads/1/3/1/4/131453133/xudiwi-zagaxilepa-bopojopiteguk-nupajefedukus.pdfIn PDF document text
- http://files.artandremedies.com/uploads/1/3/2/6/132695782/7505381.pdfIn PDF document text
- http://files.iteachmanor.org/uploads/1/3/1/6/131606262/573805.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/mefane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8995/9839/files/sanujafanurar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lofolevunukexus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5622/5686/files/64594553471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8559/8615/files/corpus_linguistics_an_introduction_tony_mcenery.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/iron_man_mark_46_helmet_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6598/3655/files/xolapiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1943/6185/files/deux_arabesques_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/84056651801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6935/7728/files/critical_angle_and_total_internal_reflection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/5927/7987/files/animal_farm_reading_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1662/6082/files/zimizilivawu.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006eea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EEA | 5932 bytes |
SHA-256: b5d2d8e55762a2f4be32c04d77b3d7af7a287bc115867fa456af0e2794df7ccb |
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font_01_sfnt_off00008366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8366 | 4796 bytes |
SHA-256: be970e898b05280c72930a04c114dad81b42931b35eda4568f265eb2c74bb360 |
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font_02_sfnt_off0000937c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937C | 6136 bytes |
SHA-256: 489dd457f9e2492f2d13b7b82cda5d232ad6c7a246ed51c37a41b01d608456a1 |
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font_03_sfnt_off0000a35f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA35F | 15728 bytes |
SHA-256: 372cb557288c45ac0dfcc98998f34a1bba7ef7f04d526aaf7f29ac8af06785ac |
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font_04_sfnt_off0000d47d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47D | 16372 bytes |
SHA-256: ec513659f0584df6300e3f5909a366ed27cdf2469b467477a08bebd9d7b1b0dc |
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