MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to numerous compromised websites, many of which host other PDF files. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609813cb3a7fe---kolebidikupaxepaxuxupize.pdf
- http://yourtruck.be/upload/ckeditor/file/jokixunewevijupegilek.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607491c724daa---68283595913.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/04131937626ab86255af3d06ac9a5165/levanitifupiso.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/4aaaf2ee79a3e3aa06e83174e8bfc991/36815292276.pdf
- http://shinex-auto.com/userfiles/file/muromufepon.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd019a56c36---rigelemapikojijas.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/o93nlq6p2516jlatfm68hek9rr/debuluxer.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e22f55a808c---sidawan.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/7675340d96be3b00eac86985660e066f/51215514128.pdf
- http://wannawwannie.pl/userfiles/file/getebaf.pdf
- http://lycee-elm.org/userfiles/file/20856568047.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073be2d95752---61239491074.pdf
- http://cokhibaosang.com/media/ftp/file/26409898477.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1bf71c660---kivufopiwimedifun.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1r0dd2o9joj7sir0r71faahva/88823867484.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082e5728334b---48920583927.pdf
- http://gagutp.com/sa_upload/userfiles/file/20210625212424.pdf
- http://gongotour.com/FileData/ckfinder/files/20210703_35838E9A1CDC1A2F.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba3f2a29d4---pafadakibumibibufefefam.pdf
- http://energy-labels.com/userfiles/file/lasemababatanesepoxoj.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ab47a35b4---82001155764.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/80hlo36g6ai4hvnb08bu1nptc5/19242918920.pdf
- https://soudurelauziere.com/upload/editor/file/2889630716.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/46a9a0271fdb159579bf8a07e812fbf8/77110476892.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=tissues+class+9+mcq+questions+with+answers
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a1.bin5777105df5abc3630494682b1fef5f039a4727f0d6ca4b474cc9577d21150e33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A1 | 16344 bytes |
font_01_sfnt_off00011200.bin0b5448c6de0ed0f116d2c680d9cb6f47e90a51602807fce3603fd82f599d96d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11200 | 16376 bytes |
font_02_sfnt_off000127f5.bin766e0cc388d2e662573569ed428e165cdb88e2e48d996220461cc7a9e76b4d36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127F5 | 10956 bytes |
font_03_sfnt_off0001414d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1414D | 16792 bytes |
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