MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristics indicate the PDF contains a link farm pointing to compromised WordPress upload storage, suggesting it's used to host or distribute malicious files. The presence of external URIs and a link farm structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/pc3mfb5fekv3he3vvsr8duoi21/81023895722.pdf
- http://pincailight.com/zk/UploadFile/file/2021081517591073499.pdf
- http://transsnabstroy.com/userfiles/file/30446035771.pdf
- https://fnb-concepts.com/images/uploads/files/dulebowoxawi.pdf
- https://rawoctane.com/uploads/file/sajivilitikinovenot.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/tmc6uonahiadqlbsiv82cds7n7/ratejexabeduwotujomu.pdf
- http://djpress.pl/Image/files/pozetofebikene.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/67eo3mp6q9ferd5u7qbbo11n5d/67576611254.pdf
- https://seitonsolutions.com/ci/files/kadebukov.pdf
- http://madurastones.com/userfiles/file/16514394193.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fbace76fe---barika.pdf
- http://sgd42.ru/userfiles/file/22168456507.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/60a449ce923ff3eadced80fef80efc52/kalugomejasijagem.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609045fcb3241---60231904599.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f032bd0631---zateripijifiwopamor.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/161277f07d0d41---tixikuwu.pdf
- https://faresaldabbous.com/uploads/files/85506347592.pdf
- http://immobiliareborghi.com/userfiles/files/36448434429.pdf
- http://co-wemart.com/careeruserfiles/file/49069755809.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5201ccf316---59113066115.pdf
- http://www.bsa.by/ckfinder/userfiles/files/3603218469.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160be6d4ea7f0a---79060510782.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=diabetic+foot+pdf+download+free
- 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_off0000c1a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1A6 | 16792 bytes |
font_01_sfnt_off0000d9bd.bind1616eccd9efbbfc6181f851b03a41ab3b6c2079580e2faccecc85ad05be7109 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9BD | 10672 bytes |
font_02_sfnt_off0000f224.bin2fa30f40a2277c904365bd05e1ba6d44dd24c7c99182478f413d1a5d6139828a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF224 | 17388 bytes |
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