MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body and heuristics indicate a lure for free educational material downloads, which is a common phishing tactic. The ML classifier strongly indicates maliciousness.
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.cc/pify?keyword=ncert+chemistry+book+for+class+11+pdf+download In PDF document text
- http://files.longford.coralleisure.ie/uploads/1/3/1/3/131383743/pasalefewo-jozawo-zufurewogexom.pdfIn PDF document text
- http://jagiwo.apicintermountain123.com/uploads/1/3/1/4/131406286/golujusadug.pdfIn PDF document text
- http://files.growersmarket.org/uploads/1/3/1/0/131070450/feruwabovaz.pdfIn PDF document text
- http://files.threegracescoffee.com/uploads/1/3/1/1/131163658/metedexapusejudo.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/1/0434/6331/1513/files/ielts_writing_task_2_download_free_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedapefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5424/1694/files/zidagarifupumusesijix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1720/6946/files/sagumogujef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/cbse_math_textbook_class_11.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/mysql_syntax_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9224/5666/files/to_love-_ru_darkness_season_2_uncensored.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1470/9663/files/buluxujaximetukeso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7400/2837/files/tonejalevuzofilanironozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2351/3238/files/bigawomimerofaxuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/mumutemeduvofujinagumuxij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2437/5194/files/ruzoberaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0769/5258/files/cadbury_nigeria_annual_report_2020.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_off0000613e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613E | 5600 bytes |
SHA-256: e03a6a39b20e136eff0763b4ba2dc4a256bf5f17c95a690d4191b57ed446b00d |
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font_01_sfnt_off00007434.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7434 | 10208 bytes |
SHA-256: 32c87af55611b3ce588cf1f22cf7115ba8f92260f306d273daeeb8bc958b5d6a |
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font_02_sfnt_off0000971a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x971A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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