MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to distribute malware. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan. Although no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160897886aa254---79847859318.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608930ac205b4---91162392719.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/5of5eb93vvpqvip1qiln82ci94/9550459286.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a27c6859584---49952844877.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc5ffe9e6b---zolapimiruxosiveve.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609272689bbc7---7498315765.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084f61009440---bunagej.pdf
- https://impactcleaningserviceskc.com/wp-content/plugins/super-forms/uploads/php/files/e9bd39daa5888c01aa700e7807944058/pazaxarux.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb17dd7ad0e---tawag.pdf
- http://aqbnb.com/uploadfile/file/12087203490.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/52b85bdbf139d55cc529def8b0c1c518/60159692821.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16079985da053e---59278740273.pdf
- http://clair-environnement.eu/catalogue_dynamique/file/25268454203.pdf
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/g6vago8b82rh4mc73ges8gtat5/27847336523.pdf
- http://bajcsidavidfoto.com/_user/file/74505621359.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/73ghehj1qij7je5f0cl7860rd3/47650431735.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/qcrih6329v40et519uvu53c266/luxifodedexitakegege.pdf
- http://contentworks.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c5128d4042e---62739309820.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ba46978d1---furomov.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/dde416fec75e9d84a4bf23a6ab1d0430/34301936101.pdf
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/4802673537.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=variable+and+absorption+costing+income+statement
- 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_off0000e31a.binbdc2478b85ac6003338bd280fa725744279d53b77793d41cd41d798d232f5625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE31A | 10968 bytes |
font_01_sfnt_off0000fc1b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1B | 16792 bytes |
font_02_sfnt_off0001142d.bin881ab80f665804fca67a125ef7226df28eb56d983187b635c32e329232aa0d2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142D | 16712 bytes |
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