MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites, in turn, host further PDF files, suggesting a multi-stage redirection or download mechanism designed to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://praward.tw/wp-content/plugins/super-forms/uploads/php/files/381d22020740d02d55ef150d118486f4/40622450284.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/87b12a9b5ff1f727ee522266ea8dc2cf/ridirijezisudofe.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5aa18ddb88---fatogomufogodanusobokebip.pdf
- https://bselink.com/userfiles/file/23223006122.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d180ece48---73199405905.pdf
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/frfjousb3us6eh940bujhijtht/jovawurefitobixoje.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8c2a8c7ee---70055913752.pdf
- https://nadamasristorante.it/file/68037170229.pdf
- http://ibshop.gr/uploads/_uploads/files/sekabinipafado.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096cdda2f3e6---tafuwerojarajexifapexu.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9294bad9e---saxosodakunexupam.pdf
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/85874466324.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/cd64cdb668beefb86bfdb057be0862cc/vesun.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/b9bc50959cb38770372e15fbc50e0ddc/pitinogibesowinolapepuli.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/3323c2fd6689478be90fcbaf378e5435/zigavegabowafejisoxorepun.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160728c80b0575---xisumariwebejutag.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160abbd044fd75---28199422916.pdf
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/df4c1487bc3b759d07fa4c36d70eeb80/fufubabosesinet.pdf
- http://alltechsro.cz/files/regebuduvazidatas.pdf
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607573be9d78d---94273197653.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a65b7c5b661---zejigibabinizugogutiroxob.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb2e71aa67---83603393508.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/772be0a468177a94f4029f105fcbb05f/52741385235.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/77eb937c453065f845d7bad266403c1f/79229023912.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd27f647754---netinulu.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/oghfakno5ppb9gilm0qtrsp6c9/91735939434.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=baby+please+come+home+chords
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddc6.bina7518595d28ec0d32d3ac5f5842a7f7d5938f156191d45ef95a597dcc32abb54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC6 | 10792 bytes |
font_01_sfnt_off0000f673.bin74cf326a94cdf943b853594c88a61af9d03aaa83a309a1fe3d513fb2f210cd7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF673 | 17324 bytes |
font_02_sfnt_off00012400.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12400 | 16792 bytes |
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