MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan payload. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and a link farm heuristic points towards an attempt to lure users to external sites, likely for credential harvesting or malware delivery.
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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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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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://ponafet.ru/strik?utm_term=mechanical+engineering+handbook+mcgill PDF link annotation
- https://puzerufatuv.weebly.com/uploads/1/3/1/1/131163838/6545647.pdfIn PDF document text
- https://pizizidoto.weebly.com/uploads/1/3/0/8/130873839/vezabadudutu.pdfIn PDF document text
- http://kefijor.mygamesonline.org/athlean_x_max_size_reddit.pdfIn PDF document text
- http://pedugubugof.mywebcommunity.org/mean_median_mode_grouped_data_example.pdfIn PDF document text
- https://cdn.sqhk.co/xolofiwano/ihxqJOQ/vugokepe.pdfIn PDF document text
- https://farunekigevizaj.weebly.com/uploads/1/3/5/9/135976182/1572df61.pdfIn PDF document text
- https://nuniladolu.weebly.com/uploads/1/3/0/7/130775245/lerororewiguk.pdfIn PDF document text
- http://zogometemo.sportsontheweb.net/calendar_definitivat_2020.pdfIn PDF document text
- https://cdn.sqhk.co/radofufalam/hf2ihVr/arnold_chiari_malformation_surgery_pictures.pdfIn PDF document text
- https://vaxatimiroxak.weebly.com/uploads/1/3/4/6/134617636/xosisarafaxu-matejidatixa-latorika.pdfIn PDF document text
- https://cdn.sqhk.co/ridefapagol/E4hgKUW/best_buy_black_friday_2019_apple_laptop_deals.pdfIn PDF document text
- https://kalujobad.weebly.com/uploads/1/3/4/3/134390175/mokifedam.pdfIn PDF document text
- https://vutepunuvo.weebly.com/uploads/1/3/1/6/131637517/furukiwi.pdfIn PDF document text
- http://toxipoxekej.medianewsonline.com/89785626294.pdfIn PDF document text
- http://lupelisizi.medianewsonline.com/gefokevit.pdfIn PDF document text
- http://pimifawimonidij.mywebcommunity.org/dewolubixobujabelo.pdfIn PDF document text
- http://sotipidikukunow.getenjoyment.net/nijuxutum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bitenozof.atwebpages.com/kedaxazepajajesogidiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9412f1a-d2a7-4394-a8a8-22662ec46c14/la_crosse_technology_wall_clock_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30ee9be4-1311-4ee0-ba56-cd984b0759e0/what_drinks_does_taco_bell_have.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_off00010f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F67 | 9676 bytes |
SHA-256: ccc6583a9e5a22913399d901aa2759ff8f6ae106c86659796e4e42da438e7f43 |
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font_01_sfnt_off00012f6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F6B | 5384 bytes |
SHA-256: 903c019565cf5667f250bea089b1dce2ac2873c6dff4b2a37247f834e1dd644d |
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font_02_sfnt_off00014199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14199 | 11160 bytes |
SHA-256: 4394a54d0fb3773fbafbfd120eb246f1c01ce93639c48c879ea83cb1fd520ab4 |
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