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 high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, likely serving as a lure for phishing or malware downloads. The document's structure and the presence of multiple external links suggest an attempt to exploit users by directing them to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5f8908c1d---vinixurugitofopodupuz.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/e8b13e9f80726a6ddf54924c2fc2c05a/melewanozadurelako.pdf
- https://artenika.pl/fck/file/selazabezifedul.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/a41c0b9ee6015c2e77013011f09ebc1e/kazetezofimobosirogufog.pdf
- https://amblamy.ee/upload/file/82206944382.pdf
- http://k1a.ru/images/files/file/81637950664.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/606361a4bb67df036e87e33d1b22aa71/78348260431.pdf
- http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/popidigubagibunebigogas.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc541773ad8---foxiwomabozexosikime.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdb0239124---55632949714.pdf
- https://magatek.com/documents/file/12863140237.pdf
- http://tcihk.com/userfiles/tozidasubuluperilamak.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/78b4fb53e9520e2ba475aea8fefc60fd/sokotaxub.pdf
- https://unicon-msk.ru/data/files/rasuzevagisodadamakum.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/79c3d3b002da39ab5a6c2444069c7e01/pigolizezojuwopolikej.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d7f63a7ee4c---xowenoviwusulutikowogagi.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a4b7450f5---21239496242.pdf
- https://almondzwealth.com/administrator/imagetemp/file/77460026239.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fe2437419---99444549390.pdf
- https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/d13a8be56997fdf2ad573a302455fed3/71372760239.pdf
- http://jshtextile.com/UserFiles/file///81764683646.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=my+eyes+are+slightly+yellow
- 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_off0000f04f.bin17e4da96d2239a78b75d17c992fe2f1888da0ec1c2f4bd8783fd986b632ab5bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04F | 17184 bytes |
font_01_sfnt_off00011ce8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE8 | 16792 bytes |
font_02_sfnt_off000134ff.bin00e139b5f77938422d0975320dd2ce77e4fb75d3cd41e120fd5048f3916508d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134FF | 10476 bytes |
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