MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various compromised WordPress sites and disposable hosting domains. These links likely serve as a lure for phishing or to download further malicious payloads. No scripts were extracted, but the PDF structure itself is designed to redirect users to external, untrusted resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=ration+card+transfer+form+2+bangla+pdf
- https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/264df6864e45284becda7515e2f84237/8644978756.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed4d242729---86535434180.pdf
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210714055604.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/f7fe0cec8d4ca5ecd8adb162de7bda48/67890880779.pdf
- http://yunnanyingxiang.com/ckfinder/userfiles/files/46327392193.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b811a87b9af---xekolagitapufolanunex.pdf
- http://londonjip.com/userData/board/file/xaxoturexelajutes.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1610e1ad7e2a3f---55036911299.pdf
- http://stroisvias.ru/userfiles/file/61189860720.pdf
- http://nguyenthaotech.com/upload/files/15055780204.pdf
- https://tort-art.ru/userfiles/file/23450263307.pdf
- https://marcvandewiele.com/userfiles/file/81859602622.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161300074cbf1f---petefamekuto.pdf
- http://haphadoor.com/upload/files/pakiduvubajit.pdf
- http://cancunday.com/travela/img/files/3357880986.pdf
- http://interwork.sk/userfiles/file/94781913091.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/27577500549.pdf
- http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/gegenadazemirol.pdf
- https://lawrenceyezersky.com/userfiles/file/52419919299.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/41e9337b2edda6367b809e5a9c5c9c0d/rojarabajufodokip.pdf
- https://andrejc.si/files/file/defepugetowewev.pdf
- http://breakevenpoint.pl/uploads/editor/file/41622248280.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a601ecd4a8b---pufikivosofif.pdf
- http://berbun.com/user_img/file/78651243478.pdf
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/56060621990.pdf
- 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_off0000c9ff.bin88351c24dd94843b1b45bebfc112602d06279a6e4e87633078faf9e9b2549202 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FF | 22596 bytes |
font_01_sfnt_off00010424.bin8e047bba126d6a2b1c916d9645564e474dd736ec3244c9e225d30d046c51f9b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10424 | 11268 bytes |
font_02_sfnt_off00011e3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E3E | 16792 bytes |
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