MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution lure. The document functions as a link farm, hosting numerous PDFs on compromised WordPress sites, which is a common tactic for distributing malicious content. While no scripts were explicitly extracted, the nature of the link farm suggests it is intended to redirect users to malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/c45fd9b642c68a89576504c77cfda228/62898774483.pdf In PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/vec78p9tia5i45g1it4co2fp2n/duradesi.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/c69f42a9c465c861cb98755a183a0bf9/nususokuxu.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/862040546001624628105.pdfIn PDF document text
- https://svetplus.com/userfiles/files/35822278763.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad7c846ed---5410521109.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/45576451657.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a51ebd7f232---66501749172.pdfIn PDF document text
- http://wumag.pl/userfiles/file/kimagabez.pdfIn PDF document text
- https://666666.vn/upload/fck/file/piwupajureruxipulisu.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///vubareravetafoji.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d7e9c560ba---11177186916.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/tinuwun.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/31913203072.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e1c599376---73966308544.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/d763ddb608445e66813fdf9c61ef91c0/63143859844.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/85hclbam90ofc9rm0ido1s5mnc/53298498075.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5d576d07c---9405817295.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/28183909521.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/vijumezogutekemugoder.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/rm6knnfj9iauldq6pt57bh2hof/65565378753.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/0b32a62cf9b4a00901dd22a231c47780/37302594901.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608590a36796e---78048667265.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/luwizitavogoziwad.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/roxexuzaloximobet.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=bond+angle+of+water+moleculePDF 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_off0000e633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE633 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE45 | 17248 bytes |
SHA-256: f6c9a3731fb2f9ca2247ea741d332f191c91eebf2e4b52d36423b4309a3eaae8 |
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font_02_sfnt_off00012b6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B6D | 10796 bytes |
SHA-256: 8877777afcab0df506ab0c43737c73ce0f1efff70ca903e968f06c8cdb3946c2 |
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