MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, many of which point to redirector infrastructure designed to obscure the final destination. The primary redirector URL, 'https://ttraff.ru/pify?keyword=ias+chemistry+notes+pdf+free+download', is flagged as malicious and associated with SEO link farming. This suggests the document is part of a phishing campaign aiming to trick users into downloading potentially harmful files by posing as legitimate educational material.
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=ias+chemistry+notes+pdf+free+download In PDF document text
- http://jobure.karenmccannart.net/uploads/1/3/0/8/130873995/4429351.pdfIn PDF document text
- http://files.finehusky.com/uploads/1/3/1/3/131379706/xuzobibibuneg.pdfIn PDF document text
- http://files.thecheesecakebee.com/uploads/1/3/2/6/132681316/d265668104.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/1/0432/1817/4107/files/bonawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6246/8516/files/70042731617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7352/6178/files/27044885815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8937/1029/files/1082754065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3110/9540/files/saburubonati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3123/1644/files/practical_law_of_attraction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3877/7249/files/92646365428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8108/0738/files/nameramokojuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8897/5774/files/mupevixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2669/4822/files/99756497893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7206/8520/files/shoulder_dystocia_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/6493/7896/files/vce_exam_simulator_cracked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9367/1588/files/lidumesivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5060/files/75147761857.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_off0000624f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x624F | 5316 bytes |
SHA-256: e0184a94bf9022097fabe7d9a5b6c3bda28fd85d96733740e83d355fc8703853 |
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font_01_sfnt_off00007447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7447 | 10672 bytes |
SHA-256: d3712949e9ee514dd8f21068b0f2425e123860d5132f13d93482e9a2331783e0 |
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font_02_sfnt_off000098b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B7 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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