MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a ML classifier and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a calculator, likely a lure to encourage clicks on the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://druttle.ru/strik?utm_term=compressor+isentropic+efficiency+calculator PDF link annotation
- https://cdn.sqhk.co/sajatanugeg/G0y3whh/acca_f3_paper.pdfIn PDF document text
- https://cdn.sqhk.co/rebamomidaw/iKeVyz0/gesinumumagad.pdfIn PDF document text
- https://cdn.sqhk.co/gobavata/ieShcgg/95218898657.pdfIn PDF document text
- https://cdn.sqhk.co/jowapezo/cjhheoa/15196411062.pdfIn PDF document text
- https://cdn.sqhk.co/tunaluvum/gcFjhw0/52687040126.pdfIn PDF document text
- https://takesefitetipal.weebly.com/uploads/1/3/2/6/132682925/dusipilajiwir.pdfIn PDF document text
- https://bukodebavuv.weebly.com/uploads/1/3/4/6/134657655/gujonugo_bepula_bumurir_pariso.pdfIn PDF document text
- http://zenezadeso.22web.org/causas_do_aneurisma_cerebral.pdfIn PDF document text
- https://cdn.sqhk.co/nurijodefa/gidgcUh/call_of_duty_warzone_tournament.pdfIn PDF document text
- https://cdn.sqhk.co/wujamufaw/ibU2gdi/boo_a_madea_halloween_2_full_movie.pdfIn PDF document text
- https://cdn.sqhk.co/petebeki/1rCiihd/mod_mutant_year_zero.pdfIn PDF document text
- https://miruvogix.weebly.com/uploads/1/3/1/4/131408245/wafuwozatosap.pdfIn PDF document text
- https://cdn.sqhk.co/xonudutixova/ibdgjgh/47421305715.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/wupiwupiwot/85757684649.pdfIn PDF document text
- https://s3.amazonaws.com/seriposuj/la_ciudad_y_los_perros_pelicula_sinopsis.pdfIn PDF document text
- https://737bf953-b780-43bc-8af0-312ed5328a40.filesusr.com/ugd/017c44_b38b7f7acf774253905361c33c5134e7.pdf?index=trueIn PDF document text
- https://170a7d3c-74f0-42f5-9ead-98ae292a4922.filesusr.com/ugd/a18aa6_75263e9e4e6d424886507466f8e1b987.pdf?index=trueIn PDF document text
- http://kufekamulez.rf.gd/advanced_c_interview_questions_and_answers.pdfIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_cbe1fe92b208483ab6cf11f97d2096d4.pdf?index=trueIn PDF document text
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_df8b5c4d1d1548de8193a25698cba37f.pdf?index=trueIn PDF document text
- http://tawaxinazaka.rf.gd/zonalupepa.pdfIn PDF document text
- https://s3.amazonaws.com/loxopudizus/45114574071.pdfIn PDF document text
- http://linopiziv.epizy.com/tofanuxanazodutepaja.pdfIn PDF document text
- https://s3.amazonaws.com/marimejerebo/2465959678.pdfIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_d0b82afa94844f3484f28a8f9797d52a.pdf?index=trueIn 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_off0000ea5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5B | 5168 bytes |
SHA-256: 1948e0824d72dbecdaffb891225eeffcb5fb4889a7c40e5d49b36859f82d4411 |
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font_01_sfnt_off0000fbdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDF | 11544 bytes |
SHA-256: c590fd9cf16bc7e84650be0a1ef97e22ada68be6ca14a02085520051aaf632f0 |
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