MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was identified as malicious by ML classifiers and ClamAV, detecting it as a phishing trojan. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for malicious content. The PDF's structure and the presence of many external links suggest an attempt to lure users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d25982bcad---nesuzilaketejepa.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609496a8728f9---lukowakusogolobitedoros.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab62d15a1cc---jafemedasudabipeguri.pdf
- http://datavincity.com/uploads/ckfinder/files/wuzowajojawudirig.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/d83b9b8381e648dfcad77b695ff7a8d6/34590179098.pdf
- http://hndgyl.com/v15/Upload/file/20216251323426576.pdf
- https://contactfm.be/userfiles/files/5632653561.pdf
- http://littlepearlbooks.in/data/eimages/file/sepenipiwo.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/786f7e84204ee3242d0e36380e48185e/23929012281.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607544b1f2906---wadalenuxixiso.pdf
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/97773018885.pdf
- http://beiwendq.com//data/attachment/file/pawuboxovuvu.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/5bf967291c9f081aa461da008b0910e7/78159969851.pdf
- http://centralgiving.com/media/userfiles/file/naxigetiwakowetesusipedan.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/fnite3tiif03bpmghig0e300mq/78310689.pdf
- http://hainescentreasia.com/images/file/93379786255.pdf
- http://barcelonasixtytwo.com/userfiles/file/16450614586.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721f0672985---82769801856.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f6ba44f07---72325079958.pdf
- http://sdds.be/userfiles/file/65971827274.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160736b5c6ef8a---tafupado.pdf
- http://studioagronomoserragiotto.eu/userfiles/files/7157032324.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c978aaad11---vugeravekelo.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/g2qo3ae8etjml6lkslq6oi3dg1/23695412042.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=vector+mechanics+for+engineers+statics+9th+edition+solutions+manual
- 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_off0000bec1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEC1 | 16792 bytes |
font_01_sfnt_off0000d6d8.bind716444de92b007e0d569ea9436f7d50a3a4a4e127152ace3f37dc8cf6a2d991 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D8 | 11160 bytes |
font_02_sfnt_off0000f097.bin4632d847ba3a0e2bfbae7c6013143228ba9b8f49ddf7ce9998bf3a1fac48eba9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF097 | 16756 bytes |
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