MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or redirection strategy. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=anticoagulant+used+in+blood+bags+pdf'. The document body also contains this URL and other PDF links, reinforcing the attack pattern of luring users to malicious content. No scripts were extracted from this sample.
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=anticoagulant+used+in+blood+bags+pdf In PDF document text
- http://files.greaterheightsfellowship.org/uploads/1/3/2/6/132682585/vogufude.pdfIn PDF document text
- http://velevi.valleyharvestmarathon.ca/uploads/1/3/1/4/131408027/mipiviwiwifunakagi.pdfIn PDF document text
- http://files.greatwhiteninja.com/uploads/1/3/1/3/131381450/1783537.pdfIn PDF document text
- http://files.doubleeagleadvisers.com/uploads/1/3/2/6/132683328/fetixewomepojis.pdfIn PDF document text
- http://files.lierchonpoo.com/uploads/1/3/1/1/131164312/suduxunasini-xutawajefi-bedudimugokikof.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/1/0437/1188/9562/files/66618074164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9476/8802/files/78805888577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5183/5811/files/vezoluzamemiza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/41875679648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/bafarisexitisemowufib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2243/3953/files/fisavevivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/7689817550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9800/4899/files/relieving_letter_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6129/4757/files/bead_making_business_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5064/8223/files/famafip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8233/3851/files/balupegovajeg.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B5 | 5240 bytes |
SHA-256: 99de0075babe09bbd2e554d618c21792f8dc5c1bbea71f83dd57a532bf3188a1 |
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font_01_sfnt_off0000768d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768D | 10936 bytes |
SHA-256: 3b8f8c98e11e33f51ac3309780964f20062aeef3c5b22457056b2bafa0672330 |
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font_02_sfnt_off00009b3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B3F | 17900 bytes |
SHA-256: 094e883b4da6bc6eba9534a227088ae5dd55a145b8a6a57948024a21bc36aada |
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font_03_sfnt_off0000b65f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB65F | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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