MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a significant number of embedded URLs, many of which point to link farms hosted on disposable domains. One URL, 'https://ggtraff.ru/strik?keyword=translating+grandfather%2527s+house+characters', is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document's primary purpose is to redirect users to potentially harmful content or engage in SEO manipulation.
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://ggtraff.ru/strik?keyword=translating+grandfather%2527s+house+characters In PDF document text
- https://cdn-cms.f-static.net/uploads/4375194/normal_5f8b9e4dbed26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379723/normal_5f972d42be119.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413465/normal_5f95e1cee348c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383689/normal_5f933c4ec2c9f.pdfIn PDF document text
- https://gobumireg.weebly.com/uploads/1/3/1/3/131383916/5984895.pdfIn PDF document text
- https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/8ad98d21.pdfIn PDF document text
- https://nevonanopovew.weebly.com/uploads/1/3/4/3/134335048/1918202.pdfIn PDF document text
- https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/vizaxe-zavagotapalevo-wujijodimunimet.pdfIn PDF document text
- https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/damajunimafasodiw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385010/normal_5f8ccdd0e5836.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373998/normal_5f911c7b88fa8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/5ca48877-6571-4044-ab30-e59f6377cd72/78831727569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6db4b837-26b6-4932-aa85-6cedde90894a/pofus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8cd7d551-541f-4ed1-b8e2-be0923d2aa24/ridaxeta.pdfIn PDF document text
- https://s3.amazonaws.com/xukonakefules/calling_my_name_liara_tamani.pdfIn PDF document text
- https://s3.amazonaws.com/mubefula/basic_electronics_interview_questions_and_answers_for_freshers.pdfIn PDF document text
- https://s3.amazonaws.com/gifojuxaxeva/srimad_bhagavatam_puranam_in_tamil.pdfIn PDF document text
- https://s3.amazonaws.com/kudefem/mapufaruxononigi.pdfIn PDF document text
- https://s3.amazonaws.com/gezejoputiwinu/bullying_escolar_en_chile.pdfIn PDF document text
- https://s3.amazonaws.com/kisimujuk/dojivuxaji.pdfIn PDF document text
- https://s3.amazonaws.com/kibavutibeved/70913656158.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/vocabulary_words_with_tamil_meaning_and_sentence_in_english.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CB1 | 5148 bytes |
SHA-256: 8311883191b9fd33e5b05a15ade4d73fb08857a1b538bd8a1101e4f03cb46b73 |
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font_01_sfnt_off00005e24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E24 | 9824 bytes |
SHA-256: 34a00e4d7fcacb3cb8707fdd5392236319278f830e705b6957bfbf4cdfef6fdf |
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font_02_sfnt_off00007f9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F9B | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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