MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, indicative of a link farm or SEO manipulation. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=africa+toto+choir+pdf', is identified as a malicious redirector. The document body contains garbled text but also includes the malicious URL and several other PDF links, reinforcing the observed attack pattern.
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=africa+toto+choir+pdf In PDF document text
- http://files.gatheringsforgood.com/uploads/1/3/1/4/131453399/858315.pdfIn PDF document text
- http://files.montananazarene.org/uploads/1/3/1/4/131406592/dufurivize-xezebukep-winetotupawazew-bonuxajevobibax.pdfIn PDF document text
- http://files.burnthorizon.co.uk/uploads/1/3/2/7/132741339/jalijel_ditojifuru_tozigarimedo_lizeragazoduja.pdfIn PDF document text
- http://supexez.europeanmasterswl.com/uploads/1/3/2/6/132681862/2699431.pdfIn PDF document text
- http://jopiz.techtalkpd.com/uploads/1/3/1/6/131606490/sovimivonunu.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/1/0432/1394/7041/files/maths_formulas_for_class_8_and_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6845/7113/files/8157928313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3164/2780/files/rijimug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6993/files/6766683632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2035/2677/files/nuvataxoxuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/menijuleradozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6579/3942/files/multiplication_coloring_worksheets_grade_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34707652888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4385/4235/files/anime_drawing_software_for_pc_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1663/4016/files/96792316942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3348/1636/files/acet_model_test_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2240/1185/files/jabawasixodemur.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FC1 | 4584 bytes |
SHA-256: 5725d827ca2f95ab9a059a73cc33d0cff055819fff967eb7b0b5784c60ccfe54 |
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font_01_sfnt_off00006f5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F5B | 14908 bytes |
SHA-256: f86b2c980f5b38f44056bc5be2a4a8aa98e878b1e7721f7e33b4611c896dcb8b |
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font_02_sfnt_off00009e51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E51 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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