MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body also contains a reconstructed URL that leads to this malicious domain, disguised as a worksheet download. The PDF also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, suggesting a broader campaign to distribute malicious content or traffic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.ru/pify?keyword=equation+of+a+line+worksheet+pdf
- http://rikekipep.trinityclaremont.org/uploads/1/3/1/3/131384403/kukuxuninazapo-jujufo-vabubeserol.pdf
- http://files.rg4ed.com/uploads/1/3/1/4/131436967/zotiwe_xolikek_wolidamu_rufob.pdf
- http://bituxose.qbmusichub.com/uploads/1/3/1/4/131483453/afd652084.pdf
- http://fontawesome.iohttp://fontawesome.io/license/
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6405/0332/files/big_5_personality_test_interpretation.pdf
- https://cdn.shopify.com/s/files/1/0435/4169/2580/files/dupokuleworuti.pdf
- https://cdn.shopify.com/s/files/1/0431/6797/3538/files/29888316705.pdf
- https://cdn.shopify.com/s/files/1/0430/9241/0525/files/zigiluzake.pdf
- https://cdn.shopify.com/s/files/1/0431/7003/7911/files/gotezujozezovejugi.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/xajelejumunavotavule.pdf
- https://cdn.shopify.com/s/files/1/0432/7872/9374/files/kodoforanaga.pdf
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/ladawutedujixatuwunuxe.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cea.bine2f3f40f4f26c10b7744f22f701439f4f3dfe912cf818f1e834db921614360f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CEA | 1820 bytes |
font_01_sfnt_off00006572.bin04063615907f4c75454a482e1c8604f68c9bec77c905c103f5a65b1abf5af453 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6572 | 5368 bytes |
font_02_sfnt_off000077c3.bind4e0c977ece98de1b96adda905e99816ca0fee0d8651b917ff49cf7f73fddc58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77C3 | 10972 bytes |
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