MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised websites, many of which are WordPress installations using vulnerable plugins. These links likely serve as a distribution mechanism for further malicious payloads, as indicated by the ClamAV detection of 'Pdf.Phishing.Trojan'. The ML classifier also strongly flagged this PDF as malicious.
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 http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae77e50f2ff---66486883731.pdf In PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/27967597945.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/2fd2dee00f63bcaf6f12b8aa866e30d9/sirofa.pdfIn PDF document text
- http://bagiez.com/userfiles/file/tusufemedajeduzijodumo.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa52926516f---25699993521.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/89810432859.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/d769c390393cbee68aed021ff6c78ce9/xenipogozusuwunonone.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bdff6b9addb---gadigi.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4bb699ff0---sikutowewadufewererugod.pdfIn PDF document text
- http://sungsam.net/userData/board/file/16526365065.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/werubuvimopoxakorixu.pdfIn PDF document text
- https://toromecanicorodeo.com/files/30338425206.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607862b7dd1c7---sewukoxusagi.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607522753d385---vegaxefoki.pdfIn PDF document text
- https://kuepancong.com/contents//files/38431568883.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/25023555676.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/qb91mbkgd16lr79b44h2t1grp0/93915450870.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096fded75e64---3317103456.pdfIn PDF document text
- http://abovomedia.hu/_user/file/pobofikowovojiwebexotobup.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160741ea29d86d---xibos.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/9b50a1964fd5ea4087dd85d5e0cf02ec/32285504213.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/33kh9slj75iieo2jucil4kmm67/dodefurujidopofukilaben.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/8urvpqj0mitu436l2t9oq5ca5n/18153176943.pdfIn PDF document text
- http://aivieksteslaivas.lv/userfiles/file/62320858326.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=gratuity+act+questions+and+answersPDF 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_off0000f056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF056 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001086d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086D | 10800 bytes |
SHA-256: a70149ecfdac5ba3aff5bb01cd54a49c4448560bf89a38ec0e8ca7caecfd6920 |
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font_02_sfnt_off00012165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12165 | 17472 bytes |
SHA-256: 6ce885720fffa511006319023e63f50f4319a27f376f953034d55f3fc26758e3 |
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