MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting numerous URLs on potentially compromised or disposable domains. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://mygotour.com/FileData/ckfinder/files/20210808_4EB59295F8855F40.pdf
- https://nikoljski.com/ckfinder/userfiles/files/88821784468.pdf
- http://mesterek.net/tmp/vofapejenebodiwobexaxi.pdf
- http://faisaltowel.com/survey/userfiles/files/dawoxejomi.pdf
- http://noospc.ru/SITE/files/editor/file/86270604496.pdf
- http://nature-revive.org/files/file/koleparuzuvozemurum.pdf
- http://toyotaquangninh.org/data/dulieu/files/85603943802.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe1180f29---kujopadokaburitabebuj.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/1a4fc8a2aab0e3549ab63a882666cb3d/difotufiku.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/48286892364.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607298650ea79---mefukatixod.pdf
- http://griswoldremgmt.com/uploads/files/woruxegopufi.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/30b1b92fe150665cfd93e05e2221c45e/48450474754.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/b2c19333ca5ab7cb234bcb1b5a6ad7b3/77920797981.pdf
- http://acecaalcoy.com/userfiles/file/raxapuselusifi.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7526904fc4---57318247901.pdf
- https://robertbah.si/files/file/22725054193.pdf
- http://fotostudiovaccari.it/userfiles/files/22106087380.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b050260fcc9---70226382815.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/b67a7191445adc1a99ae80ee4028b0a3/sixumeni.pdf
- http://a-kamen.com/userfiles/file/waxumidagemugixamitasi.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/999umqvesj8i1f0qgk8vghjnbc/wogiginatemolufunatum.pdf
- http://ehomeforeclosure.org/images/file/xuwakozalenutesurunob.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=writing+electron+configuration+chart+worksheet
- 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_off0000edff.bin49472c002650d8f03c8dd522bf95ba22a3571472dd8107e33c5c6cefe7c591c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFF | 17912 bytes |
font_01_sfnt_off00011c44.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C44 | 16792 bytes |
font_02_sfnt_off0001345b.bin13724aac6cce76e9595ad4f73aa1bd6872219b041148180193b82496a7bc753a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345B | 10884 bytes |
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