MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing to multiple websites, many of which are hosted on compromised CMS platforms or disposable domains. This behavior is indicative of a phishing or malware distribution campaign, aiming to lure users to malicious sites. The ClamAV detection further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4649
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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 http://romanakladatelstvi.cz/userfiles/file/muniropugubevojas.pdf In PDF document text
- http://fontanarosaserigrafia.it/userfiles/file/91000779279.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/9025124097.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/82e26ptrhnfbrg97fln4qqfdm6/16836206939.pdfIn PDF document text
- http://hoachathoanggia.com/userfiles/file/naduzapejekelijo.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e65808089b---xalilupijamamogoruba.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/ipqdumo1k653stsvsvuh6ru9a6/simivokopukidujuxanilemer.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/pemojinojevukibul.pdfIn PDF document text
- https://creativitagh.com/pevron/www/img/file/poxelimifaxov.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/lirogavij.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/dosuvujusaxonaluzukarif.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/bulebad.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19d68b9348---27150973428.pdfIn PDF document text
- http://moderncarrent.com/user_img/files/51570188697.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/aormnki6p918hjngd6e43hvfc3/5085312671.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210725162637_598521681.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/2025239059.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/18490148059.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/5903809290.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/d93d9235022e7f0fe5454378833c2874/juweluj.pdfIn PDF document text
- http://fitsiluet.cz/data/file/60064571172.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d429d7102aa---vareroziwemejujitilawe.pdfIn PDF document text
- http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/25058642037.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=accounting+process+zenaida+vera+cruz+manuel+pdfPDF link annotation
- 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_off0000b651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB651 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE63 | 16732 bytes |
SHA-256: 5f25c00e614868a830d9f19a8e5be2b0c8a2d8304aaa6c052945ad5659f30916 |
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font_02_sfnt_off0000f977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF977 | 11168 bytes |
SHA-256: f3cbdbb927283a19eab54c1082d9164120a104af0326eac59d65d5999e4acb13 |
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