MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to 'bts world affinity spreadsheet'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bts+world+affinity+spreadsheet, which is flagged as a malicious redirector. The presence of numerous shopify.com links suggests a link farm or SEO poisoning tactic to distribute the malicious PDF.
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=bts+world+affinity+spreadsheet In PDF document text
- http://files.ketsup-pinoy.com/uploads/1/3/0/7/130775337/fumir.pdfIn PDF document text
- http://files.themoundcityslickers.com/uploads/1/3/2/8/132814261/fobere_gerunef_wudebidizoleg_fituja.pdfIn PDF document text
- http://files.joannasyrokomla.com/uploads/1/3/0/8/130813757/d9b7812bfb51dd.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/1/0436/9688/1814/files/25375731731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0081/2952/files/numerical_analysis_9th_edition_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5309/5844/files/kipibudibezivivegarodupif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9029/files/forufefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/vivezepobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6531/0374/files/nuzosoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6984/9246/files/78275840641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6272/1688/files/type_cast_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ximulomonarosaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6251/0236/files/sbpdcl_bill_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0069/0848/files/57982442695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3153/5509/files/arquitectura_renacentista_en_espaa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7207/8499/files/91312552254.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_off000060e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E6 | 5372 bytes |
SHA-256: c9581f7fa99d9ab77235b0ac19510167309a80ae17e9af89718e6eaeceb17c75 |
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font_01_sfnt_off00007344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7344 | 10548 bytes |
SHA-256: 17ef76a0693318f0eca7b9df04cf3ce0fdf1fbc50cd53fc4c62de367537af745 |
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