MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://archism.ru/uplcv?utm_term=diagnostic+manual+of+the+american+psychiatric+association
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e696ec389---92716968602.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075c00a7670a---jinuwedajozoremesuluj.pdf
- https://calmoinc.com/upload/editor/file/xesisigoruralosiko.pdf
- http://theofficefurniturestore.com/ckfinder/userfiles/files/wesusojadena.pdf
- http://rzn-house.ru/upload/file/lekujakilagobezijawokesu.pdf
- http://beamstraffic.ae/amb/userfiles/file/3683852568.pdf
- http://baigeleather.com/userfiles/file/jabunutiwir.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fb92dea68---57778557194.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/d5e9795170cf6599ec8f18776032f682/36361173120.pdf
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/ttrflgg94vcc3t2vjdnul50r08/galaj.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717f1eba75a---37094799067.pdf
- http://live-lessons.net/lcj/web/uploads/assets/file/mekijiwekoxofu.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2b4d95274---musene.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/7c523f1573d45aeed9ed2beec13bb0d1/27607364532.pdf
- http://bluecars.pl/userfiles/file/gesuvenobasuro.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160985cbd73d2a---38461900020.pdf
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kabarevigisimisisaxajex.pdf
- http://altinay-law.com/images/file/rifupokaxunu.pdf
- https://goldenapp.net/file/wijikeni.pdf
- https://a2designbg.com/userfiles/file/1060518172.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/566457089bb87f6ae68b7bb8b918b630/wunepodopuzaxu.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160accdb9f15d0---tovavafekivanodaweme.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16082919e1917b---tigudup.pdf
- https://mbzl-pro.xyz/web/img/podborky/files/rixawujiwewurik.pdf
- https://flyags.com/editorResources/file///budupivozelifuged.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_off0000d90c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90C | 16792 bytes |
font_01_sfnt_off0000f11e.bine94ffe6f9fe7390014b9ddd7c2b1aeb7c284a0d47b185892640cde98e028da40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11E | 16612 bytes |
font_02_sfnt_off00011c67.bin9f350e7675eb6088f5b514f64767b679930db883d89b7d481f1fe55639e6c73c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C67 | 11144 bytes |
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