MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The presence of multiple external URIs and link farm heuristics indicates a strong intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://wastran.ru/uplcv?utm_term=how+to+drive+uphill+manual
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079dc3ed01b0---duregadufa.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b25078cc0c---61107053699.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/5qrits4qelhgmac4qe2r69ufr3/vexekiramavubejuk.pdf
- https://honghow.com/ckfinder/userfiles/files/tumajuvujul.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/u5ajmd3849n56tjv03gjhd4j86/wikimo.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/oah211iqecvrqh19q01vih0cjn/besitadove.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c38bceec43---68367047470.pdf
- http://wallsfamily1912.com/clients/876683/File/55011136261.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071013b06666---winuwit.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4880c4cb3a---xameparegofovot.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ada1e7d5299---razazobesabavakog.pdf
- https://drsubhashawale.com/ckfinder/userfiles/files/48267838573.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d93588c75ae---mofurumesaziduvoxuwuzomiv.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/f2d122ccee128f1f49e4031d5c1c6072/81481043765.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b642efb8ffc---90680018064.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/0b6be859de53ed2f75839195a2c1a1c4/rujatuboke.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16076babc29d85---35475880485.pdf
- 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_off0000e67e.bin94bef97e7118d49181104ab4b3f9bad377f68cefc17f7e05f78a1824101416e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67E | 16400 bytes |
font_01_sfnt_off0001111a.bin2c870716186ae3a8c022bbd3dea7285e9841f46a1fcb1168e0cc595337455e9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1111A | 10732 bytes |
font_02_sfnt_off00012985.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12985 | 16792 bytes |
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