MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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, containing numerous URLs pointing to various websites, some of which are hosted on compromised CMS platforms. The presence of 'utm_term' parameters suggests an attempt to track user interactions, common in phishing or spam campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://bukharaalpharetta.com/sites/default/files/file/nozeg.pdf In PDF document text
- http://www.gulbaharsigorta.com/contentData/file/76674612973.pdfIn PDF document text
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/11488842982.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/d029078a996a7ae70d31ffb15440460a/73422848987.pdfIn PDF document text
- http://apisicul.com/userfiles/files/53299811739.pdfIn PDF document text
- https://mabuksusu.com/contents/files/69076471110.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1614194bc78161---xuduzofowajuxurufukapu.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/8822886926.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/5nci04g40o0vprprkmg6epaqe0/30097421075.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/xebepefeneninomopabawesuw.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/75bf617ecf8faa44634ca4517b5d8eef/1553548682.pdfIn PDF document text
- http://lysfyyy.com/upload/files/12852148303.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210901131121.pdfIn PDF document text
- http://es-iyashinomori.net/yamituki-n/uploads/files/46774050602.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210904010443.pdfIn PDF document text
- https://morethancars.eu/uploads/edytor/file/53556334868.pdfIn PDF document text
- http://weorderfood.com/uploads/files/31959938550.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e74b80ad4---28291039953.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/70999970944.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/49933376814.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/verisu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=best+icon+theme+for+miui+12PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEF1 | 16448 bytes |
SHA-256: 46865c0ff49c3ecc2e77b285134c20c3de8ea8f5d78978e74eb54242b2f590a3 |
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font_01_sfnt_off0000d858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD858 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f06f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06F | 10716 bytes |
SHA-256: 1ea0b02db0273b8934ee0e9c144d507ae3fc1f2a726e12b4cb96b9369e9b2c05 |
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