MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external, potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://allytemp.ru/uplcv?utm_term=what+does+a+ulcerative+colitis+diet+look+like PDF link annotation
- https://hantverksakuten.se/ckfinder/userfiles/files/niwezufidipotutafukugobo.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/vojutedukove.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/40545420004.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5f3c93407---raxoraponon.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/51732479523.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160887c2b68fe5---35565584493.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/lumuninovupinib.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9103034d4f---vefofetaputefedosekawi.pdfIn PDF document text
- https://gachbinhduong.com/upload/file/fewudagubora.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/xewirarebowasisanud.pdfIn PDF document text
- https://sinarwaja.com/account/files/tigufalejuvedakerug.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160baad5e66f53---28619917869.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee7d894648d---penedosoxe.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/dcc9a0042cc5114ad162d8e0d7e2f800/53077092211.pdfIn PDF document text
- http://chingyi.tw/userfiles/files/zawolad.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/7c790774041821a76a0e7a0e4c4891b8/ganasobawamunof.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210716144918_0wtdut.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202106280551556997.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/96495453631.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/govenegubapabo.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/rofopamowo.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_off0000ed56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED56 | 10612 bytes |
SHA-256: e7f5393dffdfe30f0912a63a257a867c4ccd8f554dbd0d0d24fa74171233e99b |
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font_01_sfnt_off000105bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BF | 17284 bytes |
SHA-256: 5c30619467cd38a59379fea7765151064bc962a95df7648c93abd9bc35da7020 |
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font_02_sfnt_off00013311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13311 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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