MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as a phishing lure due to its small size and image-only content, typical of a screenshot designed to trick users into clicking an embedded link. Multiple heuristics indicate it's part of a link farm hosted on compromised WordPress sites and disposable domains, aiming to obscure the ultimate destination. The embedded URLs, such as 'https://wastran.ru/uplcv?utm_term=sims+3+cheats+apk', are likely used to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://wastran.ru/uplcv?utm_term=sims+3+cheats+apk
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135405d42ea4---21812441630.pdf
- http://lmleadmanagement.com/userfiles/files/74153619540.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/lukese.pdf
- http://cpk.by/ckfinder/userfiles/files/32798751540.pdf
- https://luminex.pl/upload/file/jasizilemuw.pdf
- http://konberdbio.com/upload/files/majofela.pdf
- http://seksdagen.nl/userfiles/file/79879811642.pdf
- http://vdavloeren.be/userfiles/files/82626026592.pdf
- http://marasintl.com/public/ckfinderuploads/files/kimovu.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/927797f7ccd601156d1510beb913cfbe/56517537831.pdf
- http://hoclaixebinhthuan.com/upload/contentFile/file/39778206068.pdf
- http://mgtofubbq.com/uploads/files/minub.pdf
- http://chinalabware.ru/d/files/nerikoxomisakejusew.pdf
- https://fetogram.com/images/upload/files/25061399409.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/6e4423e4931ed9c5d07c0ca6bda7f99e/guweduwuveto.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c50527aac1---kakofuja.pdf
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/dazakalowipomulirid.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404b3f82414---noxabefugane.pdf
- https://laserbeautymachine.net/d/files/31021473260.pdf
- http://kassa.pl/userfiles/file/26066249030.pdf
- https://ywint.com/ckfinder/userfiles/files/1631727769.pdf
- http://windowsplusllc.com/ckfinder/userfiles/files/bowek.pdf
- https://suma.ca/upload/editor/file/litijapeviw.pdf
- http://ping-property.com/user_img/files/62873742817.pdf
- 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_off0000aeab.bin6d24fbdeac0678d561aecbdb62c14872fe70879a1ebf0343b96f73b9f493a3c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEAB | 14036 bytes |
font_01_sfnt_off0000d129.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD129 | 16792 bytes |
font_02_sfnt_off0000e940.bin56aebb49d1dce83f489abb86579cd5ac2f543d7316cb3116087809694947d10c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE940 | 10608 bytes |
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