MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the URLs as a link farm on potentially untrusted hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://allytemp.ru/uplcv?utm_term=preset+lightroom+xmp+android
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fc1b61f17---minawudated.pdf
- http://parbatsamajjapan.com/img/files/files/vamujenaka.pdf
- http://forma8.kz/ckfinder/userfiles/files/figenovolifodusemixel.pdf
- http://masterref.ru/editorfiles/file/92824064558.pdf
- http://abpjseah.news-read.com/upload/files/gosege.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16143bb0305843---27449393078.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143dbab8a520---40092820700.pdf
- http://hurtmar.pl/Upload/file/75695393183.pdf
- https://ambalatender.com/upload/files/wikamisalovemi.pdf
- http://jujucuisine.com/userfiles/file/zibepigesele.pdf
- http://nitecoreromania.ro/files/file/60133229635.pdf
- http://coyada.com/up_images/up_images/jufikakorep.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5eb253f61dadd1d94d33e75115b5ca5c/diwefu.pdf
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/20447716312.pdf
- http://hz-kontejnery.cz/ckfinder/userfiles/files/zufidadobusologosesamu.pdf
- https://cape-electronics.com/media/file/72173210233.pdf
- http://xyr59.com/filespath/files/20210916071913.pdf
- https://yifff.se/userfiles/file/dexadivadifuvojozopifam.pdf
- http://leaguengn.com/userfiles/file///14621077552.pdf
- https://aalatour.com/basefile/b2caalatourcom/files/58927780198.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/14355540585.pdf
- http://bscsaoner.in/ckfinder/userfiles/files/tuzowozijala.pdf
- http://hamkr.com/userData/board/file/69326339522.pdf
- http://cocoal.com/uploads/file/81241238442.pdf
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/makagugizonibotetet.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_off00012115.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12115 | 16792 bytes |
font_01_sfnt_off00013927.binbfe21e9b3d7917e1fe32fc118f7aa06f69e8e42f1c966079e11edc32860d6e8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13927 | 19376 bytes |
font_02_sfnt_off00016bdd.bin185a09c0603872c1804218a5d57724faf3c724d84dc6d17102184dd7423e9114 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BDD | 10944 bytes |
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