MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains and employing UTM parameters, strongly suggests a phishing or link-farming attack pattern. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a search term, further supporting the lure-based nature of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://soxebez.ru/123?utm_term=bear+whitetail+hunter+compound+bow+sights PDF link annotation
- http://kutakelipaxeb.22web.org/titus_andronicus_quotes.pdfIn PDF document text
- http://dazinifuxevoji.22web.org/dice_masters_dd_tomb_of_annihilation.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390641/normal_5fd7cde455fd8.pdfIn PDF document text
- http://donbetosstreettacos.com/71011675232jasdp.pdfIn PDF document text
- http://feyakast.online/fake_caller_id_mod_apk_latest_version5eomy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409405/normal_603aba4516156.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407733/normal_601739a2f0a0e.pdfIn PDF document text
- http://aires.fun/12281522870iwjuy.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6d5b7415-8b95-4a6c-88fb-0675837a9390/lakumezefufepebu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/676dd9b3-2613-4d96-a46f-aa9a64b30d70/moral_of_the_story_company_of_wolves.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c286645e-abb1-4224-ab81-1ce3f2604cb7/89104713746.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79f06418-c56f-4c17-8f17-98672e1dce1d/firestars_quest_full_book.pdfIn PDF document text
- https://s3.amazonaws.com/samopakamefap/pifexogozuvi.pdfIn PDF document text
- https://s3.amazonaws.com/podawakumepewez/achievements_presentation_template.pdfIn PDF document text
- http://zazasos.rf.gd/numevi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2cde7d4-1fbb-4256-9ed4-c6b61539b98f/77484561270.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa707bb5-a960-44aa-a5c7-a4c384f27423/what_are_the_7_clans_of_the_cherokee_nation.pdfIn PDF document text
- http://taxowojo.epizy.com/grace_s_guide_the_engineer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3983542-c9f8-415d-ba2d-a3ab1eec4849/are_door_bouncers_safe_for_babies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b06639a-eb17-40a3-a865-6de5db5164fa/noburif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/232d22cb-cc1d-4b2c-b135-455fd0c83d53/libovenele.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_off0000e996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE996 | 5768 bytes |
SHA-256: 71d659f5a5abef811a990e1387d15f3a7b6dfff3d98fd5df91be7f644a914a62 |
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font_01_sfnt_off0000fd18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD18 | 10668 bytes |
SHA-256: c19164332672a03db6c8505ccb913578ede2ccb465cca7c81fbd117a4a529487 |
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