MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to host or redirect to malicious content. The presence of these links and the nature of the hosting indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/moxir.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/ab5ab3902d51152405c7d2d4a6966c42/bovazasagulaletuje.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/cc5a77e316fa0c019af758efb2729813/93103430568.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a74a047f05a---17071558965.pdf
- https://akapacha.com/userfiles/file/1836997959.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098fe8622275---74828153893.pdf
- https://deltarents.com/upload/ckfinder/files/38783337664.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a20a1f5b810---megedadomidinakev.pdf
- http://jfkanacon.org/data/userfiles/files/xomefezexizifavud.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/65f37eb7691744822a65d4f030b63cb1/mofoligaxozajadixadakub.pdf
- http://thesnowmanicecream.com/ckfinder/userfiles/files/nabexifuwowebukede.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad5e9185d4---14091091027.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3e26e015a---bamaserolaromod.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a932feaf03f---wubipimalesuj.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160809f453c639---mewijiviroguzaxorasaviwa.pdf
- http://satbietthu.com/luutru/files/39809672352.pdf
- https://ascinfratech.com/clientprojects/trading/file/bizisarewutekirisoxiboge.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1f189d679---84861240367.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba74866e427---totusuvenanesosufi.pdf
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/zisal.pdf
- https://baongochoa.com/upload/file/norepazirinu.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/r79jffv7bt202mi6updlmd5hh2/biwilefuwasatesamekabe.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/eb81f5edff21bdc6659c8046d6c40432/tipeputafibiji.pdf
- http://osoboebludo.com/ckfinder/userfiles/files/ziviboleke.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=a+word+with+w
- 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_off0000eed9.bind4596bc914029dd3acadb0ecac17c2dc7fe8371f790db5d1b63510da9ab194e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED9 | 16772 bytes |
font_01_sfnt_off000119af.binb88ca16a4e05b4e99ef62f7160943eb89f603ab2f6a3a8f373156705b24d53bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AF | 9800 bytes |
font_02_sfnt_off00012f4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F4E | 16792 bytes |
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