MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'gettraff.ru'. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting it's the primary lure. The presence of numerous external PDF links further indicates a link farm or redirection scheme.
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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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://gettraff.ru/strik?keyword=halo+cryptum+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4368997/normal_5f8ec5883d864.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378164/normal_5f8a2c95d580f.pdfIn PDF document text
- https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/70e50e3.pdfIn PDF document text
- https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/modiketukilolusek.pdfIn PDF document text
- https://wonidajubiput.weebly.com/uploads/1/3/4/0/134017859/6849156.pdfIn PDF document text
- https://siregudak.weebly.com/uploads/1/3/0/7/130738759/0d47913441.pdfIn PDF document text
- https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/3076381.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/1/0505/3526/8525/files/posijomidibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8200/7199/files/90998802733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/7161/7209/files/mosunor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c724251b-0e5e-4ca2-9cab-4293cb6f9c3b/rubafexoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d019075e-a3ce-43b1-86d8-e67525ed720e/kulip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d964cc62-df81-42ce-9708-36d3e55d5a71/73702563276.pdfIn PDF document text
- https://s3.amazonaws.com/miwolezedubujoz/kamau_brathwaite_the_arrivants.pdfIn PDF document text
- https://s3.amazonaws.com/bidivo/coriolis_force_derivation.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/2213278482.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91d3e97c-55c4-428b-b05e-8f0febbd2a83/rinuvofalijaludurolos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aeac5369-0e49-461a-9a6d-8c2687b3fd28/wekepinate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6c87eed-349f-403e-bcd0-bdb89a80a0f0/37652794898.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0b4f4d4-9b88-435c-b19e-837a4a53010c/fugekodovipopanudin.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000be32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE32 | 5184 bytes |
SHA-256: e4d9586491e6453040440dc12f288c19759dda222210cd0910c3e0fae3ca18b9 |
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font_01_sfnt_off0000cfc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC6 | 11360 bytes |
SHA-256: 391bc5e543a60a9bf611a37833ce51d2ff179e89966a11855d577d557ed1c728 |
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font_02_sfnt_off0000f622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 6128 bytes |
SHA-256: 72e4d5fc0fb3e22804c90164b066d65fdc2bcd90800a637305bb40750b74876f |
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