MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of these links and the overall detection score strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://irlanc.ru/uplcv?utm_term=meaning+of+yet+to+come PDF link annotation
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/39hc83f4dnqotmbbnadtqkpdc4/vasejebavu.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/1ncg9o1u38e31g9pv1dprmq1cr/dubub.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2726823bf5---sapakeselol.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/vewatowalogokan.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723fe02146e---67738411943.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ch8o775c2g2j7cmg7fh706c5n6/widugipipabi.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/ccouf4e48b7etc39d7kv1rpdh7/67284433644.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/2480ae9773250b32cf7b2f8c83584ef0/gojatelopisuru.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20215162224287816.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/rowop.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad043d56aa---46004831658.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/91rn84kgvilsr816o3c0b92qfo/romoworumedore.pdfIn PDF document text
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/811jgvv6od5ijr4k1rd90jv6a2/45378146067.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16075a3c135532---ripunomusurek.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/3860e65150fbc5d81d3299f883d6f66c/zasemafotenatag.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/743ba34df663e6f92cebaf2392c4baa2/96188603037.pdfIn PDF document text
- http://begemot-rus.com/uploadfiles/file/2021051303103873499.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/86255729769.pdfIn PDF document text
- https://abofahed.com/userfiles/file/manuwodegavibudixam.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080927f65206---24742284731.pdfIn PDF document text
- http://boxethai38.comupload/file/kodaxuwivurenabuzolumor.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087edcd268ae---25535872121.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/dlp1llcknpdg9v5dc5jok0qgrj/nupiluxamapi.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/73370eml9ffa4dk09bohdpt099/xuturemaj.pdfIn PDF document text
- http://siembra.me/uploads/files/wajexus.pdfIn PDF document text
- https://afayl.com/userfiles/file/fituju.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_off0000c3ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3AD | 10472 bytes |
SHA-256: 87e8e2c87586c727158666ca82e1543a571274b89e3d49c72353b7d61a04c7d8 |
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font_01_sfnt_off0000db7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7B | 16392 bytes |
SHA-256: 8d59d87a5398c1bc9532462a6ac49e1bb6cc1309987a5912646f97ee61a6bcfa |
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font_02_sfnt_off00010520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10520 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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