MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF functions as a link farm, pointing to multiple compromised CMS upload directories and disposable hosting sites. These links likely serve as a lure to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff4255a8fa---50492325413.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/146612cef7f597132e3d39e6bcf8f10f/gosatupinasobatemigukajeg.pdf
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/92936322958.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608516a6b574d---meluwuwebonavud.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/nebife.pdf
- http://velocimapper.com//webfiles/file/82221608281.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/s6epnng611egg0sfmm7k0b4qqr/fefidudenogedaguwojosixib.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/359fe64dd48d08040603fad236bf51a2/xazogadisilabizotaxokezen.pdf
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/68636249582.pdf
- http://famillespourstarlight.com/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/vumijexoperokaf.pdf
- https://www.aukuras.org/ckfinder/userfiles/files/37139754872.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/4f5fd19df8c73ff3b0e20ac5a26120e6/betorufo.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160908faf55a71---roxategododagudevij.pdf
- http://kientrucnhacuagio.com/upload/files/62122825745.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79eef0e5b---21004806043.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073f7c66152d---gupufomuma.pdf
- http://fedime.org/imagenes/35181004667.pdf
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/lufabefo.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/i6mhnaolemohf3l2ff6vst59tk/nafilofovowipisotakage.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad1e547696---64645988841.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b2d46e115083f947ab4afde03139c6eb/siwodefaso.pdf
- http://casinodanmarkjackpot.dk/userfiles/file/85234701867.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da0419df9bf---43140544670.pdf
- http://win-sonic.com/kida2018/ck_imgs/files/43844020867.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+do+i+view+photos+from+iphone+backup+on+my+computer
- 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_off0000ea7a.binb56a4dd0db87e1f7bc86475048ba76615f1874646cace2624012972f41e0f8fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7A | 11428 bytes |
font_01_sfnt_off0001051c.bine61ef153ce709ae74bf87f48d998481d7665884614c6969910df9d2e278aa2c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1051C | 17944 bytes |
font_02_sfnt_off0001342d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1342D | 16792 bytes |
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