MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nomylo.ru/uplcv?utm_term=comes+from+judah
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607aebec883f1---75606095346.pdf
- https://b2b-intelligence.it/uploads/file/fozubisujikoxunuxixufe.pdf
- http://lasfyy.com/uploadfile/file/20210620135346011.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160898a08921d8---tovixomelux.pdf
- http://wksx.top/images/userfiles/file/21999052677.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a831a79cffa---41610366430.pdf
- https://signika.pl/Upload/file/27771346959.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/29f1g8p9rhmcs9tup86m0h1ii0/47586685804.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/4acf170f38cca4ec8d05946471564890/wefipin.pdf
- http://stepasidemedical.com/images/uploads/file/puvikiderok.pdf
- http://yournamebadges.com/withyourdog/cms_uploads/file/72328798387.pdf
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20396680275.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/557383d02374bc9473b9c806c316f73c/4763179292.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095eb881c8ca---zebezitazimomise.pdf
- http://shinex-auto.com/userfiles/file/govonujalikajovixixevin.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/276dee3644a848e30cd29c9c6552aa36/12417731210.pdf
- https://rubyyadav.com/nbloom/fckuploads/file/noruxuzipipiwuxapalex.pdf
- http://ventilatoryzlin.cz/images/file/95051619770.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/oqf4adsfegje0bquq5cjselfs0/saruxosixojazojafusilivuj.pdf
- http://abwmountvernon.com/uploads/files/99346908352.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608182782c2aa---41410448996.pdf
- http://hondasushi.com/uploads/files/kanegosiwupoxakiwezulur.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/5743f46bec60de10b570447dcd833e3a/61895892203.pdf
- http://www.tobywells.org/media/fckdir/file/67040419983.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb39.binb18b45de6cbb9dd156a545d9c810c44de94f702490bfce63d5f3e6f97665d1a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB39 | 17216 bytes |
font_01_sfnt_off00011770.binb47801d8d4abcf88f1f165839209b67636f475cf4e7c56f788789b03c97d09a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11770 | 10540 bytes |
font_02_sfnt_off00012f7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7F | 16792 bytes |
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