MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links pointing to external PDFs hosted on disposable domains, a technique often used for SEO manipulation or to distribute malware. Heuristics indicate it's a malicious redirector link farm and ClamAV detected it as a phishing trojan. The embedded URLs, such as 'https://ggtraff.ru/123?utm_term=graphing+quadratic+functions+in+standard+form+worksheet+kuta', are part of this link farm infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/123?utm_term=graphing+quadratic+functions+in+standard+form+worksheet+kuta In PDF document text
- https://nofawubepugo.weebly.com/uploads/1/3/4/3/134373843/9029655.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366324/normal_5fa258ecebc3d.pdfIn PDF document text
- https://mixudepira.weebly.com/uploads/1/3/4/3/134379104/7450718.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404523/normal_5fcce5fc557c9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414848/normal_5fcd9e091ccc0.pdfIn PDF document text
- https://xoludebule.weebly.com/uploads/1/3/4/5/134526363/texitigo-luwudusoxi.pdfIn PDF document text
- https://judixanasagik.weebly.com/uploads/1/3/4/6/134688655/4105267.pdfIn PDF document text
- https://vafukomoruf.weebly.com/uploads/1/3/4/8/134862603/2944489.pdfIn PDF document text
- https://ponebivilu.weebly.com/uploads/1/3/4/5/134505494/582b9de2.pdfIn PDF document text
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/bilozosagadawetero.pdfIn PDF document text
- https://vobakedipevurot.weebly.com/uploads/1/3/4/6/134661611/7408189.pdfIn PDF document text
- https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/dozoratalimuzilujase.pdfIn PDF document text
- https://riwominejakubik.weebly.com/uploads/1/3/4/5/134598273/xufoxizisasij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379602/normal_5f8e08adebbf8.pdfIn PDF document text
- https://pezopipowom.weebly.com/uploads/1/3/1/4/131406060/lonew_xexasar_benavuvi_kipako.pdfIn PDF document text
- https://vidigesiwixir.weebly.com/uploads/1/3/3/9/133997627/a98da1a885d5b.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/widuxade/free_printable_analogies_worksheets_3rd_grade.pdfIn PDF document text
- https://s3.amazonaws.com/feborobegibew/zelda_ocarina_of_time_3ds_rom_android.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_off0000b6cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6CC | 5848 bytes |
SHA-256: b41881625a716ef31351077a5f582403f284b08cb9d4feddeaa872994cb010e5 |
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font_01_sfnt_off0000ca9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA9C | 9548 bytes |
SHA-256: d2f30682ebdba5b12f06e5967b9a1abf644d2630b89722b9fcca1d41732d5085 |
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