MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'Infinity war quiz answers' and the malicious URL, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains hosting other PDFs. The primary malicious URL is 'https://ttraff.ru/pify?keyword=infinity+war+quiz+answers', which is likely used to redirect users to a malicious site.
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=infinity+war+quiz+answers In PDF document text
- http://files.lakevilleroboticsmn.com/uploads/1/3/0/7/130775645/zerutumo_zapulesuriro_relal_vevunoruruk.pdfIn PDF document text
- http://files.chna18.org/uploads/1/3/1/3/131383760/tikawonigenozor.pdfIn PDF document text
- http://luweset.dailymewscharlotte.com/uploads/1/3/0/9/130969205/jasuzejukatisokerivo.pdfIn PDF document text
- http://vofek.suburbanmusicstudyclub.com/uploads/1/3/0/8/130874330/jiwozubi_sowusonobipuked_jerasupi_xiwabura.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/1/0428/2191/0694/files/13225560933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/semigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mazimuzoxoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8885/5718/files/geometric_forms_art_lesson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/3548/8419/files/python_brute_force.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3482/9223/files/johnsonite_rubber_base_data_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6487/9256/files/pdf_to_word_i_love_my.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5696/3479/files/25515849667.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/58425771555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/dijolujinodozugenofutajim.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_off0000540d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x540D | 5036 bytes |
SHA-256: 75739a5a40eff1d49677c38bc9ccd9b404cf2b5e2ee1be9b86dbb48e0b9009e4 |
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font_01_sfnt_off0000655d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x655D | 10008 bytes |
SHA-256: 9e69b9edd93fcbaa49e4e4b9e51161f00d4bedb1d0f3a24967727055136d8c22 |
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font_02_sfnt_off000087d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87D4 | 16064 bytes |
SHA-256: f16cd67867b18cdd623629dc4245b8d8861c8210ed70bc0bf2a09e14863ad9d6 |
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