MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to other PDF files, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, 'https://traffnew.ru/aws?keyword=theme+worksheet+4+answer', is directly presented in the document body and is likely the primary lure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links supports a malicious intent, potentially to redirect users to malicious sites or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://traffnew.ru/aws?keyword=theme+worksheet+4+answer PDF link annotation
- https://gibitiwatu.weebly.com/uploads/1/3/0/7/130776060/gafadox.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366367/normal_5f99d58043eef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383304/normal_5f9a211e94ee3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369900/normal_5f882f0311222.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378608/normal_5f905782b5efc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408702/normal_5f9ae4080fe95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369646/normal_5f91f0f36325d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/analytical_chemistry_notes_for_bsc.pdfIn PDF document text
- https://s3.amazonaws.com/paxivogedewilu/sozupobutar.pdfIn PDF document text
- https://s3.amazonaws.com/jezaxojipevu/49890666655.pdfIn PDF document text
- https://lefawos.files.wordpress.com/2020/11/52931902465.pdfIn PDF document text
- https://s3.amazonaws.com/lumixi/virgin_pulse_max_buzz_instruction_manual.pdfIn PDF document text
- https://s3.amazonaws.com/fekazudabo/zonugaxeba.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_off00008fef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FEF | 5088 bytes |
SHA-256: e48b3b6bffbed780a98e602b2fb90a13f95387be66a32168eaa4d634399c5a1d |
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font_01_sfnt_off0000a122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA122 | 10172 bytes |
SHA-256: dbc0881dfc4733c80ccfae5a68c5cf4d6fcf5a425f627676e254794614674f9f |
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