MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to various external URLs, many hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. The presence of embedded URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9756
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://irlanc.ru/uplcv?utm_term=his+purchased+wife+by+vrinda+b+pdf PDF link annotation
- https://armenia4d.com/contents//files/mukol.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/pelevodogibagoj.pdfIn PDF document text
- http://phongkhamducphuc.net/images/files/45556449080.pdfIn PDF document text
- https://aeternoplanning.com/ckfinder/userfiles/files/6272360962.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/kurawup.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/62103486428.pdfIn PDF document text
- https://capecoralliving.com/media/file/78486336324.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/d0e4942f85de925db12c94c440344eea/zusafojamidimafedapuvef.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/5324f01d4cc56dc3ffa5c8db0d7377e9/bofawetutajozapegedolonob.pdfIn PDF document text
- https://dm288.rs/slicice/file/87593735585.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/wigubimapobojidisubiduwil.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/vifudidupulu.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/rrl27o3i17ung9902v0hgr3gm2/78609535957.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/h93272bfj21bigmghn6sn2c56r/rewelosadejubefivavogawij.pdfIn PDF document text
- http://lowry-averyreunion.com/clients/c/c0/c0e4e7922159a76f956c19110b7bfeb7/File/4508819045.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16135312c4192e---99632712436.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/76911032239.pdfIn PDF document text
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb4bbb2236---23859079579.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160ab39ac9c25e---tugoximewati.pdfIn PDF document text
- https://advik.net/userfiles/file/segiwi.pdfIn PDF document text
- https://benqmusicworkshop.com/fupload/file/fozulevasututinefereb.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/eb6da6fb79237740a0d1fa5c7da545da/nanegodazifad.pdfIn PDF document text
- http://cachnhietwin.com/luutru/files/46577413728.pdfIn PDF document text
- https://mariellatriolo.it/public/file/21313739544.pdfIn PDF document text
- https://amatnieks.com/pictures/image/nukewajajefedevikogatev.pdfIn PDF document text
- https://beautydent.hu/editor_up/86203890346.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_off00020588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20588 | 22212 bytes |
SHA-256: ff0ecc1b3f31c7707556cc694e71aecca904de8ca373837f1f999fbb5df75dd2 |
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font_01_sfnt_off00023e23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23E23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0002563a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2563A | 10948 bytes |
SHA-256: 5497e6a899c709e91b745a3067d3c148104f1b3992e9ece7c98c83a20c7f85fd |
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