MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload directories, which in turn host further PDF files. The primary URL `https://archism.ru/uplcv?utm_term=the+production+of+reality+pdf` suggests a SEO poisoning tactic to lure victims. The document body is heavily obfuscated and unreadable, indicating it is not intended for human consumption but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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://archism.ru/uplcv?utm_term=the+production+of+reality+pdf PDF link annotation
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/161446f130f587---8777679119.pdfIn PDF document text
- http://aimecostruzioni.it/userfiles/files/loluxor.pdfIn PDF document text
- http://ychnjl.net/userfiles/files/kebakawiniwexuxareroped.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/16310897364.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/on251tn3bem8rbtv5fvpapdq3l/lolixugosetutupite.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/kavago.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/88603c3d383b512968ca5202f91678e1/godizenopovukijibofama.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/81815044068.pdfIn PDF document text
- http://vhshf.de/File/vuverijovulixozitugofewe.pdfIn PDF document text
- http://tikatalog.sk/_files/file/79128834874.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/17652460073.pdfIn PDF document text
- https://successalpha.team/upload/files/jaxabigonabif.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/64111502725.pdfIn PDF document text
- http://lammermoor.net/imagenes/file/44665661344.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163397746923.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/8733001296.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/gupedepuxevanubiwewox.pdfIn PDF document text
- http://space-edge.com/upload/files/73322790763.pdfIn PDF document text
- http://finance-bulldog.cz/UserFiles/File/47529693607.pdfIn PDF document text
- http://seednseed.com/admin/fckfiles/file/80183636251.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/romopakiduv.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/bawunas.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16152b3c35bb5c---80532996623.pdfIn PDF document text
- http://artsar.pl/userfiles/file/68657685998.pdfIn PDF document text
- http://livestocktool.com/d/files/wusopoxixebovinadelixidip.pdfIn PDF document text
- http://pro.ovh.net/~tribuene/images/banque/file/mivuwog.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_off000102e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E9 | 19216 bytes |
SHA-256: 6adc929ea0f9ebb6f82ab77adac77fa2ed7281e77123fe27107c29105a9e113b |
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font_01_sfnt_off0001356b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1356B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014d82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D82 | 10728 bytes |
SHA-256: b45fe5514326598f8537b00e4720a55e27f9449a2b7bf6f56412d3cf13e13758 |
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