MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a lure for exam answers, directing users to a redirector URL that is flagged as malicious. The document body also contains multiple links to PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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=netacad+it+essentials+chapter+10+exam+answers In PDF document text
- http://files.wolverinemarketporthuron.com/uploads/1/3/1/3/131381288/xafoj_juwiti.pdfIn PDF document text
- http://files.prigitalsolutions.com/uploads/1/3/1/0/131071076/577897.pdfIn PDF document text
- http://files.graffitispotbengals.com/uploads/1/3/0/7/130775261/7912034.pdfIn PDF document text
- http://rumusin.ajsartstudio.com/uploads/1/3/1/3/131383042/08b84edb29b9.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/1/0431/7960/6177/files/carroll_diagram_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4859/8678/files/ritukupedunoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5450/5885/files/lajoweweko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3102/0198/files/61714308420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3271/4135/files/vukisutaxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9565/4564/files/glucose_challenge_test_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5115/5609/files/xalogipumawufubezefanax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2477/6354/files/devefabot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3350/9535/files/ammonium_nitrate_explosives_for_civil_applications.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5736/2584/files/lic_jeevan_akshay_189_proposal_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6767/8618/files/94952412878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2116/files/adventure_rank_quest_guide_ragnarok_mobile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6016/2713/files/sunrise_university_aicte_approval_letter.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_off0000a63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA63B | 5636 bytes |
SHA-256: 1bcffe6f8b4cf1549cd7d57aa50b76f3c2ec88762e4c461095119d649c62cc64 |
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font_01_sfnt_off0000b94c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB94C | 10052 bytes |
SHA-256: 7434a776768b29a08c298f118b5ab57177085e4f72a5968246b5ed7c6e26a334 |
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