MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm for SEO poisoning or phishing. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically classified as a phishing trojan. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://volnynaklad.cz/data/file/32940383325.pdf In PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607136504345b---93374170323.pdfIn PDF document text
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/320c6ee735cae2860dc9ba988b9b08d8/5434612731.pdfIn PDF document text
- https://ckd-otto.com/contents//files/55347427203.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3909e04fba---82805958064.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609048868e265---17872595322.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/54489660285.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/b1d66025e1b56dfbfa2409279cd507da/lokijakigusapujo.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a342054852d---vuperujogafalaneleru.pdfIn PDF document text
- http://myphammonly.com/luutru/files/jogeluxafadowoku.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/bd0dc41d92a28c5a118c1e9f10ba45c2/bodudosokolixinavosagimo.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/d1bc6a76d0c7u9ld07imm09q72/gasekasilofuvitokijaxip.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a562ee1233---20999991496.pdfIn PDF document text
- https://mimpishio2.net/contents//files/fexifalan.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/d6oe681858v9d8luuin5r2so5p/64590204047.pdfIn PDF document text
- http://drive4smilesquebec.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/61655404702.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/7c85fa3679efa3abc0aad05845ee8db3/guzor.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7222338cb1---20023596633.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d3fb2ad3862---78954480369.pdfIn PDF document text
- http://desagresbrts.com/clients/34568/File/84515428334.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/15709979581.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a31e9ec6f51---tefabu.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072ceb2e5c78---35418060687.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=riddles+for+kids+in+englishPDF 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_off00010c07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C07 | 16712 bytes |
SHA-256: dbd66b01679ac9cc2016eb4bf9bad7a59f0e92f188ce20875ea26d8d9ce9431c |
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font_01_sfnt_off00013752.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13752 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014f69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F69 | 10508 bytes |
SHA-256: 52c596179e222aeb772b193db79dc3bc17b9a1cd03fa7d7a915c8df4584478bd |
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