MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links pointing to compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The file's structure and embedded links are consistent with a campaign to redirect users to malicious content, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://archism.ru/uplcv?utm_term=can+a+kindle+fire+battery+be+replaced
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/uqniek1fa0ai3gbtn92oc77onf/12895420007.pdf
- https://aymsoft.us/aym_image/files/65863698986.pdf
- https://yuktogel.com/contents//files/90705136889.pdf
- https://daismene.it/file/5133611624.pdf
- http://atomleasing.ru/media/File/razosekudaxubali.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16074fa3f614ee---56560762059.pdf
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/tudinisiparutoxisarulilo.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/134f6b1e2cca07dba49bb44853ed722a/neworijimexuseda.pdf
- http://selmanoglusigorta.com/userfiles/file/kagejolupedumibola.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5i9v9f8akk38i3nfsjijpg1057/20951419082.pdf
- https://webtechnocrats.com/upload/file/sivop.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160f03a07a14ea---tumetisotifaponorigujaju.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/phju00t1nnveurtolten6k4jj7/gipanetimevabero.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160de171f6d206---tejewezobulivo.pdf
- http://harlit.com/ckfinder/userfiles/files/20210630_102650.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160818ec28f969---tapomafabenokabubi.pdf
- http://aylincinarli.com/fckfiles/file/4845009439.pdf
- http://tingyi-bnb.com/CKEdit/upload/files/demoxobexi.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611458ef184e7---22887469016.pdf
- http://stlnsk.ru/uploads/file/94493903077.pdf
- https://alamansyria.com/userfiles/file/36948105401.pdf
- https://callalilyvn.com/upload/files/wukazapirivifozizejakewi.pdf
- http://rambud.pl/uploaded/file/27323580710.pdf
- http://etalentlink.com/uploadfile/file///2021080812081253.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da6af3ae35---20695638461.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_off0000f609.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF609 | 16792 bytes |
font_01_sfnt_off00010e1b.bin10949f5127a406c0a9f5ed40037dcb98fe8f3a42b638a7da6f80fb2d529b3e0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1B | 18276 bytes |
font_02_sfnt_off00013e3f.bin1d4ffc2d40561e587d67f2cf78e3b17d89c01b77f59e85429b90141761da81b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E3F | 10700 bytes |
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