MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF containing a link farm, as indicated by multiple heuristics including 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. These links point to various compromised websites and potentially malicious PDF files, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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 http://ajivikafinance.com/userfiles/file/59698921193.pdf
- http://tubietelbar.hu/uploadfile/14320038857.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf8e1ae81e6---wabuzonukemezunava.pdf
- http://elesud.it/img_pagine/file/bufurejodotaxunenagu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4d96a7a0d---42381514702.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c999661512b---83670335235.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/c7336bc952fd175b1d7ca99d77582ea7/lagoziniseximaxamowuve.pdf
- https://adepotcustom.com/UploadFiles/file/20210507053459124.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4432889448---nevonosaxadivukefepupogo.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f16c3abb0d---80154064437.pdf
- http://ipceurope.com/assets/file/47239853355.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/0c596p4g94l71nc7i73c4rv3dm/sagosurakozod.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/3a46d6a89c981ecb610930dff38d04b9/tavanav.pdf
- https://atraba-holding.com/userfiles/file/bubanusidimopax.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b614737e43f---bifeloreredixomukaxivuf.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a0ca68852---58456665436.pdf
- http://whatdwellswithin.com/file/ralerun.pdf
- https://festival.bg/fckeditorfiles/file/lapitepedudogibani.pdf
- https://catwalkdogcome.com/editor_upload_image/file/vabawexoxozupalerar.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5ed75619---1650445671.pdf
- http://kusadasidentalclinic.com/img/userfiles/files/56695179493.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/0a413f7e0df70665e93d34fc419888d4/35012294223.pdf
- https://ktmcollege.org/public_html/userfiles/file/30895043399.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=china+securities+depository+and+clearing
- 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_off0000e80c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80C | 16792 bytes |
font_01_sfnt_off0001001e.bin3c665a17d1ae64ae32febcbec8602df33d0a467a5810070bc7e685f8fe099b29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001E | 17808 bytes |
font_02_sfnt_off00012f38.bin46f47c931839b3bbf40760289cb3e1498b60348bc1b1de7fac9e4234777dc7a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F38 | 11036 bytes |
font_03_sfnt_off000148a6.bin983684095fb61a8c3d8500fff0bac7aea7dda2a5d4eb431cc164c008ef67a080 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148A6 | 5896 bytes |
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