MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, and contains a significant number of external links, many pointing to disposable domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a link farm, and the presence of a 'utm_term' parameter in one of the URLs suggests a phishing or SEO manipulation attempt. While no scripts were extracted, the overall structure and URL distribution strongly indicate a phishing or malicious redirection scheme.
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://pelibifir.ru/strik?utm_term=how+do+i+type+letters+on+my+iphone+keypad PDF link annotation
- http://microbladingeyebrowsdallastx.com/72368720720fpei7.pdfIn PDF document text
- http://carbackseat.site/595333997691h801.pdfIn PDF document text
- http://aycotoro0.xyz/748227137025ozfb.pdfIn PDF document text
- http://gnoogle.site/romance_of_the_three_kingdoms_book_reviewy9eli.pdfIn PDF document text
- http://iclod.tech/luces_de_bohemia_pelicula_reparto0utve.pdfIn PDF document text
- http://onatural.space/sat_practice_test_1_math_no_calculator2pr95.pdfIn PDF document text
- http://ersoil.fun/xuwonenige0qc3a.pdfIn PDF document text
- http://8bitbeardsco.com/bisenumvl90.pdfIn PDF document text
- http://politach.com/sudofiwigedidogezepkghrd.pdfIn PDF document text
- http://runolive.com/freaky_friday_musical_sheet_music0bn00.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f608bf75-187c-4b28-9621-af925c05c2b6.filesusr.com/ugd/05e3ad_2fb5e28011c1427984160442edbfdf89.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8e410022-1666-4b40-acf6-be037bf28c3b/refrigeration_cycle_ph_chart.pdfIn PDF document text
- https://s3.amazonaws.com/veledabejufi/nutrient_dense_diet_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/selivuvumepaveb/79202248245.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35f36f8c-034a-4f5b-8b48-9a8f4b69a366/91844879432.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/961c8359-8530-4449-aa6c-6b233f5590cd/classification_matter_worksheet_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb5efbdb-6de8-472f-a940-2660185f49c7/gramatica_en_ingles_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b728f937-f1f6-4334-95f9-9708795d838c/94761269665.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a41faf6-9974-4948-aa35-e64a80171cd7/what_is_battery_energy_storage_system.pdfIn PDF document text
- https://d78d2789-9aef-4bfd-88be-9093bec910ef.filesusr.com/ugd/87a178_4056643297a84b3c8161cd318af4078f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9167c5d4-07b4-4344-be71-c663632f8c9c/is_huckleberry_finn_in_tom_sawyer.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_off0000f775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF775 | 5416 bytes |
SHA-256: 2917788bece49b25777efa864394e228df817157c8b3967e329bd3ae39b744f5 |
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font_01_sfnt_off000109c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C5 | 10520 bytes |
SHA-256: b2fd7d6261097d518d14da133e189efa9b27ebc8bedd0b65174640b1b512a6dc |
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