MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous URLs were extracted, many pointing to compromised websites or disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure itself is identified as a link farm, further supporting the attack pattern of directing users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://crewmak.ru/uplcv?utm_term=pearson+ap+biology+textbook+online PDF link annotation
- https://amd-export.com/site/upload/file/xaliru.pdfIn PDF document text
- http://saluteebenesseresas.it/userfiles/files/betonulajexaluzifepasud.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bb21031b4---pididuwigevurobe.pdfIn PDF document text
- http://hondasushi.com/uploads/files/penunekenagisugo.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/38698984754.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/6195665698.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/kefomesuvorevimutodutero.pdfIn PDF document text
- http://mrpokedb.com/uploads/files/dunirufenig.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/1db3ed7909789227e0d930ad9b779301/95481953934.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071673079185---fivimorefosenuri.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845251d945c---sotogutijixijez.pdfIn PDF document text
- http://pbsdeltarho50events.org/clients/d/dc/dc3fcb918f61c9276c5829b035df2abc/File/69825776469.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/votadajuxurajuxaf.pdfIn PDF document text
- http://huerural.com/uploads/image/files/76878118147.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5e45cc112---45910540971.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/566ccd1e4a083753ce7c11065cff1657/kofefotirimativubag.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f9659c352---37614337538.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160949fe68da5d---67862552575.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/mobul.pdfIn PDF document text
- http://shmgec.com/Uploadfiles/files/kizodonaxirizofuva.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084435e5fcbe---tuloz.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077be0b375c7---defadakefoluxoxokabum.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021061805225411.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd882a704e---gejuxotok.pdfIn PDF document text
- http://walker-doss.com/clients/4/45/450b4a4af5ff3f13851793278d9c7ef8/File/wanatanuzafejapimakef.pdfIn PDF document text
- 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_off0000c2d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEB | 16344 bytes |
SHA-256: d1fa1f3009b7b0bc41aa1f22dbfdec6eb8d77d35a10ad6750413a2cb9a0adda7 |
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font_02_sfnt_off00010561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10561 | 10876 bytes |
SHA-256: fba22586a4fb9e6e831003e503aaa7d0ab7f1b35414fa3ba970e189c0f6ddca0 |
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