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 ML classifiers and ClamAV, indicating a phishing or trojan payload. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or exploits, serving as a distribution mechanism for malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/nqd3ein2q62lju8vu5rduvpaed/tonujijijavexoxatonumiji.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/g367k9viifn7t0ah8kspqdhr83/99153454867.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/d8cbed32fbd0074f45dd64e470ff7547/41631657823.pdf
- https://steammining.com/userfiles/file/24972336394.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/6lhqqqaeu0vju4qc1jg0no27ev/goxiwamudajogiladefo.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608300f93bd41---dosemodizilise.pdf
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/42e6633143710d06b3e2e856b16c3433/12155957529.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9dcb355674---robijalafejizenopunu.pdf
- http://rgn2u.com/userfiles/files/77280381646.pdf
- https://its-bulgaria.bg/files/file/68846416569.pdf
- http://clubselectionvoyages.com/images/file/vobaroruxezak.pdf
- https://ahreco.com/uploads/news_file/faxej.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16077e6e8df2ea---49889127685.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64af296d6f---liwag.pdf
- https://agatanorek.com/files/file/wususubafoxitirizuro.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/5tou8vr42qf7n9vnhlhijgofd7/93322109802.pdf
- http://aimic.com/userfiles/file/41414713323.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8fbb22f45---46304075331.pdf
- https://bio-obst-und-gemuese.de/userfiles/file/42971184439.pdf
- http://jjburgerut.com/uploads/files/lidiwiz.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609a530a97305---ladubakumoramuxukepasatox.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/xetexezetet.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca6a8997e3---92651433764.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608311b4c824e---94145189417.pdf
- http://change-sexy.com/files/files/85374946659.pdf
- https://xlspandoek.nl/userfiles/file/89241057386.pdf
- http://dges.in/userfiles/file/20473964108.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=brainwashed+challenging+the+myth
- 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_off0000efdc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDC | 16792 bytes |
font_01_sfnt_off000107f3.bin48f83f9da3f0cb0ecf32825fe94381af21414eb9bb91da5c34b52d6776ead72e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F3 | 10952 bytes |
font_02_sfnt_off000120f8.bin480991f321facad08e4ac7006091c2a69598ebcfdc99b2281f562f3a491dec10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F8 | 17344 bytes |
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