MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or trojan distribution attempt. The heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress sites, suggesting an attempt to leverage these sites for hosting or redirecting to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings supports this, indicating a pattern of using disposable or compromised hosting for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9803
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://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f784b3a79---gizaxasuvosokap.pdf
- http://asztalosweb.hu/userfiles/file/18270879136.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/b58006b4aba31f4617106e4cc0b18ca3/11299619266.pdf
- https://xn--nmqu14inmf.com/upload/files/megidumexixanilevufu.pdf
- http://hainescentreasia.com/images/file/zijolubifose.pdf
- http://compufoxmail.com/userfiles/file/93198829552.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fff397070e---30601601492.pdf
- https://otartufo.com/ckfinder/tartufofiles/files/51674639510.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51d95cf1e4---10532889275.pdf
- http://afgventuregroup.com/cfiles/file/topaninisogu.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078be4cc9bef---xatugevemejewubarefi.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbe75a6392---xubolireragisakazororun.pdf
- http://kemmurad.com/webroot/img/files/43977845737.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cec79d8dd---bokurekosokemado.pdf
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/8f50c78ae875668476e96c83fe8fba5d/jaravevivusuzetoki.pdf
- https://alshaabcoop.com/userfiles/file/faxubidixokox.pdf
- http://kalkulacka-hypo.cz/userfiles/files/57180646550.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/dcbe10f885040991a1453c6859671bb7/rujamewijojezegewuredar.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/1i30nhqgsfrvkh11fsfvga2rn5/nibegemolirimodap.pdf
- http://zrdb-drogbud.pl/Upload/file/pajavavegapesadobibade.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/fff5499ee1b0e1a315b9635cb97c8da0/fubinitudinapupitaxeluw.pdf
- https://heatingboiler.ca/fck_upload/file/71008743337.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608dffc175736---61913207223.pdf
- http://mosjob.ru/images/file/58284246177.pdf
- http://turnyras.lt/Files/file/nuzosezemokufixi.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/29e9e1cecb90bbfc2070295a4b640a38/toramatefonobukoruses.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=worksheet+periodic+trends+answer+key
- 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_off0001258f.bin4ba2318b1eeb3929a59341b6365fd0bbd10d6164117709d68a7eabed2f4ce756 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258F | 17796 bytes |
font_01_sfnt_off000154a3.binbea749db208879dd9a0875db30bf59812438795b8d6c6badd83e3be481b087cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154A3 | 10852 bytes |
font_02_sfnt_off00016dc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DC6 | 16792 bytes |
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