MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, many of which are hosted on compromised WordPress sites or disposable domains. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests the document's primary purpose is to redirect users to potentially malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=zuperrr+keju+boboiboy+galaxy PDF link annotation
- https://simpangkanan.com/contents/files/dununuwefunuxiseduwirejuj.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/57758144329.pdfIn PDF document text
- http://henca.com/files/details/file/18614078928.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/7e88359c195f350a3cbc093926b2381e/fenixivebigokeruvalo.pdfIn PDF document text
- https://r4binsh4h9-att.com/contents/files/mepojifa.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16138c57e8dbd2---gipazovuxugafemunenanozob.pdfIn PDF document text
- https://aayams.com/userfiles/file/jokezojemizubemujawifawa.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/0888c4595a11d8a01982f868d1e29ea3/48426004859.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/1316898059.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/dolosulekados.pdfIn PDF document text
- https://northwestconvention.cz/data/files/sorebo.pdfIn PDF document text
- http://genarchi.com/data/temp/file/97924382514.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210911_121139.pdfIn PDF document text
- http://mxm-hosting.nl/img/editor/file/46944477027.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/kawijamukogamuzexidizow.pdfIn PDF document text
- https://kildevangen.dk/files/sakumerodulit.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/mebejevika.pdfIn PDF document text
- http://nieruchomosci-swidnica.pl/userfiles/file/mawurefudego.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/mapag.pdfIn PDF document text
- http://cortabellanews.com/userimages/nigaziju.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/b4dmdsh3fs50rehi84sbb7cnkb/70737427960.pdfIn PDF document text
- https://allora-tour.by/var/upload/file/10281289480.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613260cb83b9b---81838593507.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/dunarizotuwok.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_off0000c7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C8 | 17444 bytes |
SHA-256: 5a1c91c24a6618af707c21dc4860b8ca5c1e89fe50394f149ff51eb2f231f088 |
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font_01_sfnt_off0000f561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF561 | 10696 bytes |
SHA-256: 8bd75ae88a53e3f9100f6cfbe15430389d241b12c6e38d3d24f3ec4b815bf696 |
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font_02_sfnt_off00010dcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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