MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely serve as redirects to phishing pages or malware download sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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 https://wastran.ru/uplcv?utm_term=high+school+musical+episode+of+zack+and+cody
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e74366daa---31407123868.pdf
- http://jingluo.net/uploadfiles/files/5627478226.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077db1b5f914---megidanoxis.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4821bcc89---paxisapowoxewuwozegib.pdf
- http://bukharaatlanta.com/sites/default/files/file/57802538075.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0cc17f436ec0b5c4050f5a96a61deba/43023732683.pdf
- https://ltssinternational.com/res/wysiwyg/file/wojugejamegakotir.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cea32d01347---xuwawinisuzelezazubewurib.pdf
- http://jucal.es/images/file/39384889281.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d4a944426---9006144947.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab6b49decf---furom.pdf
- http://hifi-markt.info/kunden/kronhardt/ckfinder/userfiles/files/59791286382.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8t1frrgia3ajvpvohode62vk07/47538175972.pdf
- https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/36570703335.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ac5173f3c---9739162259.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bb1baa2800ad9b5a096a0b86051f9b0e/7271990825.pdf
- http://hasyo.net/files/file/59010666890.pdf
- http://jongauger.com/ckfinder/userfiles/files/gumogesifupijetowefofek.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c72009fc4---bevijogip.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6140034679---jepetobamedewizuj.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607883d907797---doromujun.pdf
- http://hataylezzeti.com/resimler/files/kefugagapowatekebuluba.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a42dc38373a---57768917817.pdf
- https://sonarmusic.hu/up_image/file/41406156942.pdf
- https://butchercurnow.com/img/shop//contents/suzebisiziw.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad692515b0d---97169630048.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5463cb2e8e---1456793852.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be1a05035d7.pdf
- 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_off0000f654.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF654 | 16792 bytes |
font_01_sfnt_off00010e66.bin3172d8eeb9d7efa3eff679cdfbdecf29066e813bbbf94d770d30dc60bfc3fd1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E66 | 18792 bytes |
font_02_sfnt_off00013f25.bind487783277ce82c396e9141155e54986b15f160c8198a380a1d674cc59eccdc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F25 | 11224 bytes |
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