MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to redirector infrastructure. The primary redirector URL, 'https://ttraff.cc/pify?keyword=distinction+between+assessment+for+learning+and+assessment+of+learning+pdf', is flagged as malicious. This suggests the document is part of a link farm or phishing campaign designed to lead users to malicious content, likely for financial gain or credential harvesting.
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=distinction+between+assessment+for+learning+and+assessment+of+learning+pdf In PDF document text
- http://files.kunalsen.com/uploads/1/3/1/4/131437736/kojam.pdfIn PDF document text
- http://files.ldamontessorimaterials.com/uploads/1/3/1/4/131437018/witipira.pdfIn PDF document text
- http://jilobipi.cluttermastermind.com/uploads/1/3/1/0/131070420/7035759.pdfIn PDF document text
- http://files.irentphilippines.com/uploads/1/3/1/8/131872273/131aaa5a5.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/1/0435/4542/8122/files/5775567076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2639/0946/files/tijijolelezaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1700/1368/files/distressed_debt_analysis_stephen_moyer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3262/4797/files/snake_game_cool_math.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/teseliz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4077026649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9480/9512/files/vodasesasura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3254/2369/files/bbm_syllabus_mysore_university.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1264/files/38648548926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/asus_vg248qe_driver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/4852/2143/files/romun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/kizafawubugawulis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0334/7097/files/nawijez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4909/8148/files/pogurabozevewuvemozezafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5242/5631/files/mathematics_book.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_off0000680c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680C | 5708 bytes |
SHA-256: 4093afb86746b213b605a6dad763db10963c146b61a52749524cc104a28cae7b |
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font_01_sfnt_off00007b77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B77 | 9940 bytes |
SHA-256: 07028169845cae3a718de95ddf3935eaf6dcc2542d11f629a8a64fd0a3e2528b |
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