MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads, suggesting a phishing or malware distribution lure. The embedded URLs, such as http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/02db3b5138ec1dc29f2853ad2922f305/72710810817.pdf, are likely used to redirect victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/7tn69uahqakq58sffh1cl2olam/litamebokexenozo.pdf In PDF document text
- http://alcantara.cz/data/file/balapolifexexigibavegivaf.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/zulalosufabamupelevifuvas.pdfIn PDF document text
- http://terminsk.by/pics/files/rugezukakefapoginoz.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/mexofewapapanekuliwozekat.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9c80a92b3d2cf85b0361fc1f58ba7213/pafogow.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/82shm48npdrmsk7ts3qch8h0v1/29627765978.pdfIn PDF document text
- http://thucancakoihikari.com/luutru/files/47312610775.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-7-13/20210713182105361829.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/sikazexokelex.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/1076fdd7f0f1b427aa0337d5ebd46c1e/nekanamosizodevamubiwuje.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/zudozojokokez.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e6c80cfe2---witikesomudivutajikape.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6e15161585b82342cb580bae79d1b93f/sebiredopijud.pdfIn PDF document text
- http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/razujumid.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b57629a2453---30748470037.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/4bc0eab957634507cfee099695c55fcd/kozavigadazovokexavese.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/02db3b5138ec1dc29f2853ad2922f305/72710810817.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071519503252---xeweriwatozisaluge.pdfIn PDF document text
- https://asiabiru.com/contents//files/mimiwasif.pdfIn PDF document text
- http://195exim.com/datas/files/51682996360.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/73427040964.pdfIn PDF document text
- https://bloc-immo.com/images/fefoturezinabis.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=ten+thousands+place+value+worksheetsPDF 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_off0000eb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB23 | 10824 bytes |
SHA-256: a88ba5cad78a1f8f26de70ffaac010b1e67605ff1a4b68eebd528a582141d143 |
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font_01_sfnt_off00010434.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10434 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C46 | 18824 bytes |
SHA-256: 2dc7f930b7816fab4644ae03ece697addb7f60820b1b27454a1aa55ec78075bb |
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