MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, with numerous URLs pointing to compromised WordPress installations hosting other PDFs. This suggests a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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 https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2bd64788cf504452acb5cc00dd324454/migowese.pdf In PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607870aa8eca2---vibamamazorumabadanego.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/bsenn81q1ohe2sc49q51ik3be4/42474024768.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d0f42839d---50648070383.pdfIn PDF document text
- https://anfauglir.com/images/file/90702024203.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/gadatevoxi.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/raxewimitomo.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607377bcca4aa---41135036109.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607921a2801d3---paputoziwin.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ce29b3789---69186086924.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb78ccb926---41570757689.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/vebekuzifupumujode.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb8ae6c87e---40228941853.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742be470865---pozepimesoxo.pdfIn PDF document text
- http://asustainable.com/global/file/93501305317.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/l663e6csmcko5p6ebp7skfle2n/45997191415.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608db1d12b962---suniroken.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6710518df1---xorugurepoxogibabef.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/nsoqetu0e8n1nhf6c98lnonjvv/vuxerizelulo.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b28ae40e8b6---xujupodelogeti.pdfIn PDF document text
- http://atel-j.nl/uploads/files/lunadifufoxikazodusog.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/67553058087.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/ppfru8cglikgtph0j7fq7lh0u5/61785330383.pdfIn PDF document text
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/9k1g4blncjpho392jvrnhspni0/89962143246.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/45550104358.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=scatter+diagram+and+correlationPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F5 | 18008 bytes |
SHA-256: 5ebc898a4c398b094cf0a4176f7c6235f50378688c920af11ebe93470d0a006e |
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font_01_sfnt_off000125c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DDB | 10620 bytes |
SHA-256: 65d9d229bd7aea71f64f3ce3e9234ce7cb990d1e2be68f074dee2bad4e17c053 |
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