MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a phishing or redirection scheme. ClamAV and ML classifiers confirm its malicious nature, likely as a phishing trojan designed to lure users to malicious sites. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608406cd0bc31---80745998655.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d30493cb602---44509268441.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/f9ugfsouml92hql7tg519ikv8o/jifupimevuzojavigu.pdf
- https://altbuket.ru/files/dowixutapiru.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070975795e19---vifizagizabarixutuxi.pdf
- http://klasykarozrywki.pl/public/images/fck/file/jadonaroni.pdf
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/vamubebavelujurobasis.pdf
- http://filtrydokoparek.pl/img/all/7300490147.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d44b89b912---zegupewad.pdf
- http://caratow.eu/userfiles/file/visumazitix.pdf
- https://electrabicycles.pl/app/webroot/uploads/file/16220649835816.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/oip7la3490g89tg9h882k2u80r/bavopufefiregiv.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adae251b863---rusuvorivarirubix.pdf
- https://eberli-medical-supply.ch/upload/file/42386773114.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb420833df---11461455581.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/qr3a6l73n9q2nojk5nob38iq0t/jopomuzuzej.pdf
- https://nada70.org/userfiles/file/36159413176.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/n8883r68pge3ik70aonu1bhnma/vobizuwuruganafofo.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cfdb270ce---sazerajasutojeburik.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1b38be2fe---26535759637.pdf
- https://ubranni.com/uploader/files/20951845948.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755ba49b27a---89060877216.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=what+is+a+graduate+capstone
- 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_off0000ed7f.bin04f278faf5f7ad0befd41218a517cacce6705190bb56dc724e03f7f8891f4671 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7F | 10840 bytes |
font_01_sfnt_off0001064a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064A | 16792 bytes |
font_02_sfnt_off00011e5c.bin5dac99c5c63190e26ef041ac83923535652e9d4c767c4963d79cb0aef5de4359 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5C | 17100 bytes |
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