MALICIOUS
244
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 disposable domains and redirectors, indicating a link farm designed to distribute malware or phishing content. The document body's question about donating blood to the Red Cross is a common lure to encourage clicks. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crophysi.ru/strik?utm_term=do+you+get+paid+to+donate+blood+to+red+cross In PDF document text
- http://savadaqwe.space/bell_hooks_teaching_to_transgress_education_as_the_practice_of_freedommtc9t.pdfIn PDF document text
- http://natur-green.fun/nintendo_3ds_emulator_apkpure0i31h.pdfIn PDF document text
- https://tetabiga.weebly.com/uploads/1/3/4/0/134097499/bf2a07.pdfIn PDF document text
- https://tizupokewa.weebly.com/uploads/1/3/4/0/134013062/golefanevebepiduzalu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425005/normal_600a459cc1722.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481072/normal_6067e854d4093.pdfIn PDF document text
- http://stopnutristrike.ru/48525731391hemec.pdfIn PDF document text
- http://levantemosaic.com/wrath_of_magnuszebct.pdfIn PDF document text
- https://xisuludibu.weebly.com/uploads/1/3/5/3/135300694/vogupuzapuzum.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473340/normal_5fed7b12550ff.pdfIn PDF document text
- http://drive4mclaneaustell.com/blue_garden_spheres_ballsxc7oa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://740e8036-3174-4dac-ae20-9eee1cd11a0a.filesusr.com/ugd/0f1c31_7fb5743e209847e38b3329cf6cc61d4c.pdf?index=trueIn PDF document text
- https://2571d5ef-7130-409a-b87d-c3fd18a83f30.filesusr.com/ugd/71fc55_42b4bc9f8258475aa4893aebce90e99b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xujitezu/sheets_on_the_line_hawksburn.pdfIn PDF document text
- https://s3.amazonaws.com/petubapizo/wajus.pdfIn PDF document text
- https://4e43adaa-ce1e-4ff6-a567-fd5ec7112036.filesusr.com/ugd/b5472a_e54d1eac1edb48f79f0f97223f81cf49.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jipowumat/66545355342.pdfIn PDF document text
- https://s3.amazonaws.com/sorogamat/basic_accounting_principles_and_guidelines.pdfIn PDF document text
- https://5c9c3928-af7d-4195-9e43-9647d7263c15.filesusr.com/ugd/508998_65511b7fd95441ac9e67960371b88fb8.pdf?index=trueIn PDF document text
- https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_d78be6901ab1489eb390b0a3f7186978.pdf?index=trueIn 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_off00018237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18237 | 5484 bytes |
SHA-256: ed3da1aa44fff6d3d9ce63d6cf6db25829278a38c5ab3cdf6722ebcb696e90e0 |
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font_01_sfnt_off000194f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x194F2 | 12952 bytes |
SHA-256: 5a74e68bede10e616703e4aff21074298c331a8161463359108d6d2cead932bb |
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