MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to compromised WordPress sites, suggesting an attempt to lure users to download further malicious content. While no scripts were directly extracted, the structure and heuristic firings suggest a phishing or scam lure, potentially involving embedded JavaScript for exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710fb586aa5---sigolovufozamuzad.pdf
- http://www.darvidproperty.com/news/file/48802565922.pdf
- https://eyetracking.pl/userfiles/file/86608865090.pdf
- https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/446ae9ab0d1f709041e314272aa17d77/malibaxitez.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/kinidisebiruxeb.pdf
- https://jxloanchien.com/style/postimage/file/34367002335.pdf
- http://fsoa.cn/userfiles/file/44453382826.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/2a2481aa0578df841db46479354dfedb/55503077683.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2493a8e7c---52051405686.pdf
- https://gulyaskantin.hu/uploads/frontend/files/397943299.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/55a18df87efce4b66d7dcd6bff09cfd6/29718135180.pdf
- http://kiuruvedenlukio.fi/tiedostot/file/tuwijiwoduwega.pdf
- http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/63102874304.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b0dab0f71---91020816285.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c87c08b7d5a---91541473295.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4318590ae---29448992643.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/1a6e29d390c1c146413903e35b2f71b6/10307701303.pdf
- http://xn--m1age8bh.xn--p1ai/files/file/gufalununam.pdf
- https://jairdefreitas.com/ckfinder/userfiles/files/tisadexide.pdf
- https://warungmimpishio2.com/contents//files/kejela.pdf
- http://crosswaysrecruitment.com/userfiles/file/42188340845.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/1311af0917d742535930a52b940dd5f8/31876791774.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/ad53a5qg24huhepihon6vco3c1/bawitefe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=grand+star+istanbul
- 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_off0000f5d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D0 | 16792 bytes |
font_01_sfnt_off00010de7.bine68eeac091376eeb7ce81bfb0313f3891beff9638574f7e9ed26b22946091707 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE7 | 10268 bytes |
font_02_sfnt_off0001250f.bin8606cef59af6c69f3d9791afa608b54c232a576f8e709cd10a07e3919296a47f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1250F | 17780 bytes |
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