MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected by ClamAV as Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised WordPress uploads and disposable hosting suggests a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the PDF structure and URL heuristics point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5fd7d7957---4178506492.pdf
- http://zhengfutz.com/v15/Upload/file/202162559511552.pdf
- http://mdsalon.ru/img/lib/file/72168212267.pdf
- http://esen.life/userfiles/file/33945706735.pdf
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/68663054552.pdf
- http://caopump.com/admin/userfiles/file/wefedikokem.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/d704c1f857c98d5b5262b71923031a07/23214042292.pdf
- http://iaestedresden.de/userfiles/file/47031788928.pdf
- http://opusincertum.it/userfiles/files/xukesivegagufiwivem.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/norejaduronolusenufoputap.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b34e128504---1020073045.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/633b2425a04f114b0ae4ce93b6567db8/wimesofiwapuwelofavago.pdf
- http://moorheadhigh1970.com/clients/c/c3/c3beaea4c2dff0dfe15f0c96d12524a1/File/43388529990.pdf
- http://www.christianhouseshare.com.au/ckfinder/userfiles/files/70012845426.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/3bd5452545d90d18de4b0c30ed4f828c/jivekaru.pdf
- https://alutat.com/data/file/siduzogefiziji.pdf
- http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607584adab94e---548902160.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082246cda888---58825834537.pdf
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/juzitanineju.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f4e0e28e6c5---tigosodarasow.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c8ea7409a8---tajozimexuvase.pdf
- http://guojingmall.com/userfiles/file///72931919711.pdf
- https://kovosluzba-praha.cz/res/file/54248089132.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d442ad9356b---xivimususoxazojupofuwo.pdf
- https://zegabilisim.com/calisma2/files/uploads/xurigupakemefemakid.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=tres+metros+sobre+el+cielo+pelicula+completa+descargar+gratis
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1ae.bin04f15ac097623bf2066857991aa9c73ab7b6a91609420bc1b1aa46c11fe567e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AE | 10956 bytes |
font_01_sfnt_off0000faae.binb5d97019f45235b9fa930b679ba57de1e0fafae91cf1e4f2383eff16435b1ee6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAE | 19708 bytes |
font_02_sfnt_off00012bea.binef0329dac4803480f2d6f4d9e9c4ba3aed2817dbf0857a17f9b8becfccd91a33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BEA | 16944 bytes |
font_03_sfnt_off0001433c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1433C | 16792 bytes |
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