MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host PDF files, suggesting a phishing or malware distribution campaign.
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://crysiq.ru/uplcv?utm_term=free+will+in+romeo+and+juliet
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083e266b01eb---kelukuxisibididivesuko.pdf
- http://nemdanangpho.com/uploads/2021-06-23/images/files/zikagikifotukun.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf80db583f---31490552254.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/q95anoiek0i3kodcmco98st5sj/42568080543.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/bdh1gc79j6le46s1th6dl19qb1/wuragaven.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/4a9e1a41eeaca3b44f4e4c03d8fcc6f8/xajugupigabaforodaxin.pdf
- http://inlovehuahin.com/file_media/file_image/file/58420289747.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4a9daeef0---gojorukepokuri.pdf
- https://torgradio.ru/new/files/file/95709017191.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/oudsp5l2lgrvqnjntr91qok043/zoton.pdf
- http://12shio5.com/contents//files/zenifelanopamegi.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f74ac6585---jakokakoro.pdf
- http://dragonera.cn/admin/userfiles/file/38416613987.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a757f42a3a4---latilubebiwazajev.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2872dd9ee0---nolize.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e0b90bdf4---logexizuj.pdf
- https://acavacecio.it/userfiles/files/24070695950.pdf
- http://cdkkck.com/uploadfile/file/20210523191854.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160736bd22fa53---98475096269.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/1c8feffbf48fd99b5cfe9a4f53f4eb96/viligenowar.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/9397afd82f438ba7acfe54661ff27dd8/77529133661.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/lk1t3ptt8094m3hs3ajvdnq11o/bukolifuvariwipav.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cd84e993b---vizar.pdf
- https://kimtuong.vn/isc/public/files/fckupload/file/juxezugopudubirunidezoxa.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_off0000f5fe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FE | 16792 bytes |
font_01_sfnt_off00010e15.bin5f3d59b80ad05859e0b25bc1ddd6559e59bffb0b0171309cd04ac1c8723d2cec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E15 | 10536 bytes |
font_02_sfnt_off000125ff.bin82b321bf7b40fd44872cc70d43ad1fd384720fadf6ec72acfac97ce7a2469903 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FF | 16904 bytes |
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