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 cdn.shopify.com. One of these links, https://ttraff.cc/pify?keyword=youkai+watch+puni+puni, is flagged as a known malicious redirector. This suggests a link farm or SEO poisoning attack designed to lure 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.cc/pify?keyword=youkai+watch+puni+puni In PDF document text
- http://files.elpasohousebuying.com/uploads/1/3/1/6/131606360/tezefuredu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/6130/5756/files/4436362014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2352/4259/files/life_beginner_a1_student_book_full.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2578/5255/files/six_of_crows_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/array_prototype_slice_call_arguments.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4464/files/company_presentation_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0382/7608/files/ode45_second_order.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7991/6967/files/chloe_sevigny_bj_scene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5812/7270/files/norajekodadozes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5366/2876/files/35105278013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6254/9910/files/united_nations_millennium_development_goals_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9354/1532/files/kutawifimofijolola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0813/0200/files/bit_by_bit_english_book.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B6E | 9960 bytes |
SHA-256: b580285467104771bdd01c00854796cc5e478b2217207d6d4f894ac20d39216f |
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font_01_sfnt_off00009ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CED | 4596 bytes |
SHA-256: 8df1beb1284794c1ff40b22d529915292c146871c3d4fc2547ad81c399bc6dac |
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font_02_sfnt_off0000ac8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC8F | 11148 bytes |
SHA-256: 0790d8b689cd053f77030989aee00a5ef58666b8eaeb20ef5c14f1c4f72b8365 |
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font_03_sfnt_off0000d226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD226 | 16164 bytes |
SHA-256: 5c485768518a5ee43323212f3e9837058db5dfc2148a5de0a32f39379138fb52 |
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font_04_sfnt_off0000e730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE730 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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