MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to mislead users or for SEO manipulation. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://drafthe.ru/uplcv?utm_term=citing+phd+dissertation+chicago+style
- https://alirezamirmohammadi.com/images/upload/files/kapos.pdf
- http://nicenpos.com/userData/board/file/98615877329.pdf
- http://kingalbertltd.com/uploadedfiles/file/27876903831.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776695152aa---kixupasi.pdf
- http://55pluscommunityspecialist.com/userfiles/files/60508466117.pdf
- https://littlelightnepal.org/userfiles/file/27263955251.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/siuhcbpefvnno576k34conk5oi/sinetetizumeseberexepagon.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c7cad606c---35878464587.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a364978918---4463512103.pdf
- http://begemot-rus.com/uploadfiles/file/2021062318460873499.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/11755860978.pdf
- https://olivierdaulte.com/ckfinder/userfiles/files/25232341491.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/2541116055a4a15f4e5cf425a30fc8a8/lufin.pdf
- http://tablica-nieruchomosci.pl/uploades/fckeditorfile/58553927007.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e334a5577---64043561337.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/1e86lp4a63a8000s1aksk8jo1g/56908934061.pdf
- https://manenshop.com/upload/files/77345569805.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076f11f16104---33182646416.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/799c90b412a4d8d50c838e66e50e8744/vedidokebediwebup.pdf
- https://agrilaui.com/userfiles/file/wupepetonisemilevujozeg.pdf
- http://dchs1961.com/clients/871949/File/mamalu.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/usfa95598ps7v3l7iljsr1odt1/98027591134.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beeddce89d2---pifexiwowawat.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070383771c74---42152227402.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d841.bin8b3e3d5c491ebc4d8a623fbb9163b0ee59dcc9945b747cf09226417ca7e1a20a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD841 | 10940 bytes |
font_01_sfnt_off0000f15a.bin21eb838eb8c2a45e1e227fe2f228cc2eceecc68dd700950d85873e880db62ca7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15A | 16932 bytes |
font_02_sfnt_off00011d9f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D9F | 16792 bytes |
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