MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phishing pages. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a focus on directing users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ce2e67d31a8---2930079375.pdf In PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/3da35dbf247b173ebe3c6d881ee2cde3/40331449799.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/jufadewebe.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/wovimivizuxokugixorepajo.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607056c3ca73d---kuzonedogodowawesubap.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092395bebe22---xokaxedebugadevekodamik.pdfIn PDF document text
- https://securitydm.com/slicice/file/kopowesupowamiw.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/75096869123.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/ecde88b1990de3eef7cdbb908554149a/52307306169.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/4519dae705c53c16743d9ce7f60f2195/mozutupafubukolotivalib.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160aac378e0b99---dufafosopewinamipuj.pdfIn PDF document text
- http://didocrosby.com/imagenes/file/gurusos.pdfIn PDF document text
- http://kino-cosmic.ru/sadm_files/52822246307.pdfIn PDF document text
- http://lmyc.net/clients/875386/File/mujuvozut.pdfIn PDF document text
- http://i-dron.cz/data/file/38468834488.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/ga3mttb6gql7sevn1n7dr1vu8r/65446300933.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3b398171373aecfc0b8b2660438187f8/27271527975.pdfIn PDF document text
- https://artenika.pl/fck/file/57607908702.pdfIn PDF document text
- http://naitikfashions.com/ckfinder/userfiles/files/witejowiwukinulukux.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/timizuzujagamogame.pdfIn PDF document text
- http://conblocmanado.com/pics/file/gusude.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=can+you+get+free+skins+in+fortnite+save+the+worldPDF 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_off0000e381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE381 | 17216 bytes |
SHA-256: 3b836abb2f44b5cbb77ceafad2c7bc493f86fba0b46c989ae8ed6f64dc8d0a7d |
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font_01_sfnt_off00011059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11059 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12870 | 11120 bytes |
SHA-256: 9d8438307d8301b56f3e9fc30ae9a06cbb9a45ce18320efdc9c2a84eb5505d38 |
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