MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a significant number of external links, forming a link farm hosted on disposable domains, which is a common tactic for SEO manipulation or distributing further malware. The presence of a QR code lure also suggests an attempt to direct users to external resources, potentially for phishing or exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://krisoc.ru/pbw?utm_term=fortnite+available+devices+android PDF link annotation
- https://lepeposozul.weebly.com/uploads/1/3/5/3/135317560/pubov.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469359/normal_600d0f92c41e6.pdfIn PDF document text
- https://rutijafajiwep.weebly.com/uploads/1/3/4/5/134592903/mifawotunivadosi.pdfIn PDF document text
- https://larunigilusevim.weebly.com/uploads/1/3/5/3/135320243/pejudafapurone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379961/normal_6011c7aa62ab5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kiwegofow.pbworks.com/f/a_grain_of_wheat_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/335d117c-8315-44e1-ba71-61e87e3c0975/how_to_adjust_fisher_price_rainforest_jumperoo.pdfIn PDF document text
- http://negovijalulu.pbworks.com/f/44677167013.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5851102b-21a8-4fbc-899a-67549420da3b/what_do_vegans_eat_food_list.pdfIn PDF document text
- http://lekipirunezi.pbworks.com/f/84637574038.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/169256a2-73f7-4b16-9ecd-f88fea6fb749/mackie_control_universal_extender.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a143270f-8c3c-410f-ad6a-4f30ac19bdbf/will_dish_voice_remote_work_with_wally.pdfIn PDF document text
- http://fisukafetif.pbworks.com/w/file/fetch/144425337/how_to_flash_kindle_fire_hd_3rd_generation.pdfIn PDF document text
- http://vimadutukad.pbworks.com/f/libros_robert_kiyosaki_espaol_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f7a15d0-8c15-41e5-a41a-ca6c25e457a1/traceable_abc_printable_worksheets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c1dd4fb-941e-43f6-a118-2d95870dd98e/27570084808.pdfIn PDF document text
- http://tikomegeto.pbworks.com/f/imek_mekkuin_2_filmi_full_izle_trke_dublaj.pdfIn PDF document text
- http://jujirafamena.pbworks.com/f/density_of_aluminum_foil_lab.pdfIn PDF document text
- http://gazumadu.pbworks.com/f/find_grammar_mistakes_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef216f2f-c0da-4121-8ec0-33080d926b9d/is_it_worth_fixing_a_dyson_vacuum.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_off0000ea13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA13 | 5088 bytes |
SHA-256: 8fa8793900a8de06cf59a89244421a6475635970b8243c5a41d895207ea8046a |
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font_01_sfnt_off0000fb6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6E | 11580 bytes |
SHA-256: d779a91665907bb66656497359f3187ac2b4464e1e1f9d9677a9949050f34b00 |
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