MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to redirect users to malicious sites. No scripts were extracted, but the presence of multiple external URIs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/a68596a1499ba7052ed755bb2f78bbcc/96123047383.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9a74d3065---78044527447.pdf
- https://confetti-seasons.ru/upload/files/28957419618.pdf
- https://nhachoxebus.com/upload/fck/file/89789496172.pdf
- http://sonnenheizungen.ch/fckeditor/editor/images/file/robinugaragaxagegiraxuj.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/03b60fd87af764bf81587812f4845fcb/xugafozovovisup.pdf
- https://landatur.com/files/galeria/files/49302568259.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/0b8a87f05e175196d531516913981928/pegugifoxevuliwemowosaf.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa49d49b1d---jomij.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/89731bf9746165cea098cc6144f1ca8d/80417775525.pdf
- http://aftckwt.com/uploads/file/19467438767.pdf
- http://zonwering-belgie.com/ckfinder/userfiles/files/lopuxib.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b737bb7c87---zoxebagukafuwuvowiwid.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/11f882745b3d84f4909bfba53ddf78b9/58835753714.pdf
- http://pphu-joanna.pl/fckpliki/file/vuzaxevirilosuvurifam.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/533f730d0b1a46ba1f3b066f4f65c03d/lenokanazojiwekakutogiril.pdf
- http://weifong.tw/fckimages/file/50908339234.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd2c907bae---bavomimijupufenoniga.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160850ddf2837a---53595937545.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098395bd7b4c---68932663068.pdf
- http://branpc.in/ckfinder/userfiles/files/lajewaze.pdf
- http://ecohost.ru/pics/images/file/wedibexuduwurakiminifege.pdf
- http://drkoopman.nl/cmsimages/file/42551969209.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803037a8964---28204766211.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606de5fda8683---lamegebinibazamurivijika.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=a+square+and+rectangle+have+the+same+area
- 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_off0000c072.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC072 | 16792 bytes |
font_01_sfnt_off0000d884.binaf21f2ee502929c8efdef0f513805e448e86bf89a3adf80b8692f0ff0d4c58b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD884 | 16204 bytes |
font_02_sfnt_off000102b4.bina6985c7072f3a99877b2b4b1e424fb71505ad8049beb4955462c2fdbd4ac4a68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B4 | 10900 bytes |
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