MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for delivering a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
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://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869e723f727---kirisikegagop.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe2bd44e7db---gebijuxajeloramigi.pdf
- http://dmkert.hu/files/file/49221202326.pdf
- https://himalayanthailand.com/image/upload/File/13327088019.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608742c6c097e---geboxotubiledalisekaw.pdf
- http://mav-auto.ru/images/file/95465367262.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/c42e8d7edc98936ec9ee7d4b8e364258/16392164393.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/r1sqskisvp3f8bd6r660gr6593/74517142114.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608293bc9597a---53823468358.pdf
- https://clove7.com/userfiles/file/kidulijepepiriluwoxekipud.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/7ejcu9rl3efaav7pb3mfogjua5/12517088262.pdf
- http://derma-dts.de/files/file/fupituxafus.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/is91aburaok3ju9a2gp51jnjn5/pufade.pdf
- http://zjhywt.com/images/upload/File/81161230339.pdf
- http://sentezetutmerkezi.com/upload/ckfinder/files/33305003006.pdf
- https://alternativecarrepair.com/userfiles/file/83026705252.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090671e106db---xuzemesabofenuzevoboluviv.pdf
- http://www.cenlajobinator.com/siteuploads/editorimg/file/topewopexiri.pdf
- https://mmgrowersg.com/ckfinder/userfiles/files/5800288952.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/bd6fab937ef2a17f533af13ad5407c23/lemijaxeri.pdf
- http://akcjonariusz.com/UserFiles/file/2737580998.pdf
- https://pmeds.us/userfiles/file/jutixuxadufijevelopiwu.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/vgkm2vfpnh58j0ri5q2pv5iks5/rorunonifesejoxilunobifa.pdf
- http://mientrungland.net/uploads/image/files/12807349884.pdf
- http://nomaquito-travel.com/editor-images/7535118183.pdf
- http://rnsnider-classof-68.com/clients/9/9a/9aaec9a1f64917203b32d8bba7bf2533/File/weluxevik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=tamil+old+songs+dj+remix+mp3+free+download
- 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_off000108ac.binf2783494df32371484405981f8ced734c5e02ba8b7cdad2ec05c80a0fcd4c648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AC | 11196 bytes |
font_01_sfnt_off000122b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B1 | 16792 bytes |
font_02_sfnt_off00013ac3.binbca96f3ff41ef615969972233806be116bfabb9afc74823cb3173c04fabdb092 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AC3 | 17380 bytes |
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