MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The document contains a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute further malicious content. The presence of 'utm_term' in URLs indicates a phishing or SEO-based lure to trick users into downloading the file under the guise of free comic books.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://infrive.ru/uplcv?utm_term=superman+comic+book+pdf+free+download PDF link annotation
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbd412ddc4---rusiwuvusizipe.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16081f90ac4f47---bokezezosenudefa.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/lesilavirodevinusesum.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16076f8313c578---69483306940.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/ni895bb0s9d2ku9a1bkfosmjf0/moweposubare.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a784ac5a9c26a5ff35bfedbb0ae78fff/2913816424.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/xegamisadibixudewen.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/o5nc89lj2of9svb8jatmofkbil/1730903246.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd6b288045---muzowemujenorazevomenas.pdfIn PDF document text
- http://sun-eko.eu/files/file/ponago.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/6f8054b3cc8ee98932b2b321c1497f5c/47989302723.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/luwowuxoz.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/segenizetejosezul.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b763bd33c26---jagela.pdfIn PDF document text
- http://firegallery.ru/img/upload/84822931698.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2A | 5324 bytes |
SHA-256: ea1163079b0121a52d4388bd41d7274109f9b312c69844d03f2b3aadd71dc34a |
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font_01_sfnt_off0000fc2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2A | 10596 bytes |
SHA-256: 9f89a19ca6cd0006ea656ae020b9cc867ec6f5b1df99c0b52142e503cc701ba9 |
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font_02_sfnt_off00012076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12076 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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