MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to external PDF files, indicating a link farm. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/123?keyword=spanish+pork+chops+with+olives'. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous links suggests an attempt to distribute malicious content or drive traffic to malicious sites.
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.com/123?keyword=spanish+pork+chops+with+olives
- https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/726970d67.pdf
- https://rudofodirofebas.weebly.com/uploads/1/3/0/7/130739781/51873.pdf
- https://dubutabinagi.weebly.com/uploads/1/3/4/4/134441981/pujuno_guduwez_goveb.pdf
- https://cdn-cms.f-static.net/uploads/4369305/normal_5f8a1e8bcbcb1.pdf
- https://cdn-cms.f-static.net/uploads/4369306/normal_5f8f9bb97a943.pdf
- https://cdn-cms.f-static.net/uploads/4380890/normal_5f92c517afebd.pdf
- https://cdn-cms.f-static.net/uploads/4370275/normal_5f8ed7f30c755.pdf
- https://cdn-cms.f-static.net/uploads/4371269/normal_5f8f97f83b4af.pdf
- https://cdn-cms.f-static.net/uploads/4421460/normal_5f976f0846ca0.pdf
- https://cdn-cms.f-static.net/uploads/4367013/normal_5f872b29e5270.pdf
- https://cdn-cms.f-static.net/uploads/4368475/normal_5f87ce43f3f7c.pdf
- https://cdn-cms.f-static.net/uploads/4368750/normal_5f8e70f51023f.pdf
- https://cdn-cms.f-static.net/uploads/4388157/normal_5f8df50847b9a.pdf
- https://cdn-cms.f-static.net/uploads/4410976/normal_5f97781e59cc1.pdf
- https://cdn-cms.f-static.net/uploads/4369631/normal_5f8b8456a4ba6.pdf
- https://cdn-cms.f-static.net/uploads/4366346/normal_5f88b5417fd40.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/memul/problems_of_inter_ethnic_relations_in_nigeria.pdf
- https://s3.amazonaws.com/pafiganovavi/8606607302.pdf
- https://s3.amazonaws.com/felasorarabipis/merge_multiple_files_foxit_reader.pdf
- https://s3.amazonaws.com/dazifozixawus/zixineluxubufixulelanapo.pdf
- https://s3.amazonaws.com/memul/literature_review_on_social_media_marketing.pdf
- https://uploads.strikinglycdn.com/files/850e0f22-17b8-4a1b-b134-2ea6d5eaa8d4/4503053260.pdf
- https://uploads.strikinglycdn.com/files/dd9c552c-862d-4fc2-a215-7a47f6d2d0ca/67010355984.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000671f.bin46c4e098e746107e037824b2f3e6f3cf95a0e0fe7cb8be961f8b506051859f75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x671F | 5340 bytes |
font_01_sfnt_off0000794e.bin548833516c731f6d442530c1c6437c1aef931448c88395ff84e2ba70ffbd9378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794E | 10744 bytes |
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