MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it is a link farm hosted on compromised WordPress sites, with one URL specifically pointing to a PDF file within a formcraft plugin upload directory. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further malware. The presence of a 'link farm' and 'compromised CMS upload link' heuristics, combined with the ML and AV detections, points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5aa873b440---31354093226.pdf
- http://creptiles.dk/userfiles/file/sakopuwatakeragewez.pdf
- https://gastrotest.co/ckfinder/userfiles/files/wafabofafijifajanolapo.pdf
- http://acecaalcoy.com/userfiles/file/rorisekenujusozavudoz.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ireer9jnihud59kan83ipenft1/34397018469.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb363753b17---vudukujim.pdf
- http://poorclarescork.ie/images/69621845548.pdf
- http://chatsworth72.com/clients/5/53/532ec3c8dc0e95779814939736d4df6d/File/vuruvopadisaxewalexomero.pdf
- http://adabaskimerkezi.com/upload/file/88448456328.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/l0qr99p2i47t226fsa831dsevm/retikokusikazerorafere.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081767ddd722---fanoven.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dba5603e29c---70965665734.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/8881fe84f49c6871c3f37d051b66e175/68406447247.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9mrs2kbn45e4sevq9gc68gp8k2/20274895957.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/a4110cb54fdf1f52e1720b65584e2c5b/viwupisoruk.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a592d38be21---76154634732.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b9ae32553---taxajeze.pdf
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/luzol.pdf
- https://samsungdvmklima.com/upload/ckfinder/files/leladeneguj.pdf
- http://www.hangmandigital.com/files/file/95867079635.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/0f57f15a8cc041f96add1ebff0fea7fa/7896658813.pdf
- https://atcotourismtravel.com/userfiles/file/vasabunusawapida.pdf
- http://intergeored.com/upload/File/47112683939.pdf
- https://go2germany.ru/files/file/47997214750.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=fast+find+people
- 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_off0000cf7a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF7A | 16792 bytes |
font_01_sfnt_off0000e78c.binb2003f3c68a8b7acf99969dcb7e2a69aee3560da6b7a085ed002760194b0ad62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78C | 16924 bytes |
font_02_sfnt_off00011368.bince407396860009c52128486857cb053ffcd53a06330dd980cef21ce9ed09d018 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11368 | 10368 bytes |
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