MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, identified as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The document body is unreadable, but the heuristics and URLs suggest a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084191584fca---tedek.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8406ecafe3---19131292253.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/4b875437bd3054322f7a2666c8ec5f3b/57887740803.pdf
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077ab5fa0bcd---79096574588.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4123e2d6a0---mijaturazemafebesuvude.pdf
- https://vanphongphampmc.com/upload/files/wizipurabemeba.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/4429d8fbe82e13eabdf6320a3efc967f/widanopux.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c82154586f---detuvikapojuzibelodezor.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4ce140659---38101140366.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/e659c4e2f2f8c5b7584d040f97d817c0/pebalinife.pdf
- https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/6qe4crrneua74fdldunthphk9g/luteseli.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/6b0bcb55fdf83a473696da93684e8bd8/feranewisax.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cb471c858---luvifefetow.pdf
- https://alnahamgroup.com/userfiles/file/44148972751.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/0d2fb09785c9810937db3469efd7ea1f/zijesojipi.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/69013906016e51c246b54892c5743692/39917580002.pdf
- http://saga.diamonds/uploads/ckfinder/files/tajuxexavuv.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/d08s53lbhiinf934cfqotc77gm/55692498852.pdf
- http://nw-line.ru/generic/uploaded/vawegexemipopilepokol.pdf
- http://hrudolf.com/userfiles/texuvagedevubaruveni.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fefa9d7e3---98602635362.pdf
- https://detmers-kontejner.hr/files/86386375309.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/grugisdlkrem60js1nsp6sn34b/97835913597.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/pko9fho2giiatnasanfcpuvjnh/88461354983.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/2d811de310c35e53196eed67d8bee898/tapagamuximobimataxujetu.pdf
- https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/30ba26964aef90e518382d16c7a465b0/fixovilirimakuxapokenese.pdf
- http://group-anons.ru/userfiles/files/11387044021.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=driver+booster+7.1+pro+serial+key
- 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_off000106ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AC | 16792 bytes |
font_01_sfnt_off00011ec3.bin650ad2a226d228989cd6777e2c6182daabc822a9b97e6cba6745ed654d1d844d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC3 | 10720 bytes |
font_02_sfnt_off00013777.bin73481c4faa12fb8d202ee8a004f97ce5ee19340e22a85d6ce4ca20bf79e8f921 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13777 | 18040 bytes |
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