MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or sites hosted on disposable infrastructure, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://piqiso.ru/userfiles/file/30520317100.pdf In PDF document text
- https://floridainvestment.cz/files/file/53340634209.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c55955aa13c---67473483900.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/61228612129.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/jezukuxitejegizatunom.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/muzepafuxizilixusum.pdfIn PDF document text
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/pituvipujilonoratexetiwa.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/5tigcl2sfjdkmqnir7abtuga67/rerumoberexubofuleda.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/pibofidegonixukijiwo.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/4ba1307164e135be8df8d53d9a1d615e/niganufexo.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765a4b0bf87---52479488574.pdfIn PDF document text
- http://biotop-zamosc.pl/userfiles/file/fibebuxelogonaz.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/88654e2b63ad06e4b7b099d205577524/87021845790.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/rojasujumaxovo.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f46337474---31278532355.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/guwopozikaju.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/105aa87a075109be665d44cb61193b91/dupuvopikubakapuja.pdfIn PDF document text
- https://avenue102.com/uploads/file/xelasuvezumemikovimal.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c33d5805fb---jegajubarusiwa.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/javixu.pdfIn PDF document text
- http://xycrusher.com/d/files/359533936.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/mutuzo.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/ru0huod0nc2gpcf28g0vlrhqu3/veliwixiba.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833cfee8113---vemofividepe.pdfIn PDF document text
- http://smwiarus.pl/ckfinder/userfiles/files/xovigotebejenofebude.pdfIn PDF document text
- http://qqsbg.net/uploads/file/pevipuzujevozajobon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=briquetting+process+pdfPDF link annotation
- 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_off0000e755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE755 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF67 | 18020 bytes |
SHA-256: d8ffd310caa2bde699575a621da740657a972cda7a782abdfd033949d651d1aa |
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font_02_sfnt_off00012d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D18 | 10884 bytes |
SHA-256: 2fcaa02c2a55fd003140563870641dfe55cb0ab68cb165972d7d28fd63e1c0e8 |
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