MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one heuristic identifying it as a 'PDF SEO Link Farm' and another flagging a link to a known malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=que+es+el+control+de+calidad+total+pdf. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, suggesting it was likely created programmatically to host these links.
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=que+es+el+control+de+calidad+total+pdf In PDF document text
- http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdfIn PDF document text
- http://files.panoramiccave.com/uploads/1/3/2/8/132814518/8127756.pdfIn PDF document text
- http://files.supercoltguitars.com/uploads/1/3/0/8/130814172/latoradi-supodafino-migesaxovoderin-sunabumipiso.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/1/0437/6156/5850/files/cm_game_booster.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0018/4477/files/basic_car_parts_and_their_functions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/tazuduvotekodubimata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5372/5334/files/afterburn_sylvia_day.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/56180436498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/85855323092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3704/6422/files/digital_electronics_and_logic_gates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9280/3744/files/arabic_language_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0388/6238/files/miperi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1018/6654/files/reduxuzolijonif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8621/7365/files/36079409716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0264/2075/files/35806374949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5976/3617/files/96092887336.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_off00009858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9858 | 5092 bytes |
SHA-256: 71179adda8e93d482792b9adf43824681d5a818820edcd2161a93674d33f341b |
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font_01_sfnt_off0000a9ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9AC | 11384 bytes |
SHA-256: 9ceacd773e8017bfe2df4e2218612870291439308d5d7119d6d663638b2504b5 |
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font_02_sfnt_off0000ce9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9D | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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