MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. This indicates a phishing or scam attempt, likely using the guise of educational materials to trick users into clicking malicious links. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/wb?keyword=pgdca%20notes%20in%20telugu%20pdf In PDF document text
- http://kovesibi.jon-morrell.com/uploads/1/3/1/4/131406082/5418583.pdfIn PDF document text
- http://tikivanew.tasmanissues.net/uploads/1/3/2/8/132814930/28831c711.pdfIn PDF document text
- http://jegozunap.drstevenjadlow.com/uploads/1/3/1/8/131856725/5102464.pdfIn PDF document text
- http://files.newzealandmotorcycleadventures.co.uk/uploads/1/3/1/4/131482886/guduf.pdfIn PDF document text
- http://files.14jdc.org/uploads/1/3/1/6/131606901/favov.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/dafikere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7418/1534/files/69145866096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12091312038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/cambridge_o_level_maths_past_exam_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3253/4440/files/90258972000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/nimitoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/php_uploading_multiple_files.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4798/5053/files/59406524685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0655/7345/files/3387044223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/xefijuwinirumeregibaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/25361083242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/tisares.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/80550520965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/14902667483.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_off000050ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50CE | 5228 bytes |
SHA-256: 169fbb060e391d99852513ff5a1b501463977f61af413666210b68ad78b2ad4d |
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font_01_sfnt_off000062ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62AB | 14440 bytes |
SHA-256: 1710c8f21bba95655be49087c15bde770b2d05ad123bac1dd5c2ef4c0d988124 |
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font_02_sfnt_off00008fa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FA0 | 2568 bytes |
SHA-256: 2c4d3f9388caeac4863e496f59355d93b2fd301cce0a63cbad432128295478e0 |
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