MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. Several heuristics indicate the PDF functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS upload directories. The embedded URLs suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607974fc8e55b---2167206412.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/60649949311.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/975193526cb454153c7707f0e9d4af15/tadatupaxo.pdf
- http://aj-logistics.com/stock/userfiles/file/lolatipoxakitujopotipe.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802fc61b943---gagunufebonezabawo.pdf
- https://isleo.com/i_photos/file/18136058825.pdf
- http://saipanbooking.com/FileData/ckfinder/files/20210725_C8F3A91B35AD05FE.pdf
- http://blackivy.pl/userfiles/file/sekodepisus.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160756e42655af---popatofositunimutisuji.pdf
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/55058578043.pdf
- https://mk-sito.it/uploads/file/517544695.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d743f36a1---buzukivenev.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/1f1abd0ca42aaceaf20e6d48fabcba43/bikibox.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/80k7u7017kde7bs977dgg6hnr3/nakudagiso.pdf
- http://gesundheit-im-blog.de/userfiles/file/nazuzugotiza.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b28c031675f---fubiratumozasupevi.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/28772a07ecd9f72e18a0f503a36a2d3a/dilatufifopadifanisebo.pdf
- http://ruresept.ru/files/file/24105268306.pdf
- http://myphamlulanjina.com/upload/files/buwimaraxomawazus.pdf
- http://cutskytools.com/d/files/bapemimeverixiwunupogadid.pdf
- http://vetcasatenovo.it/userfiles/files/81095201390.pdf
- http://morethancars.nl/uploads/edytor/file/joxasefoki.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/192fd4acd49c3970cadf2d150736ca14/63220668486.pdf
- http://appletechsolutions.com/userfiles/file/25186880569.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+my+w2+from+my+old+job
- 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_off0000f728.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF728 | 16792 bytes |
font_01_sfnt_off00010f3f.bin958190270da152fb901b77045323b8575d38260fc45e0111fc28b025acbf009d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3F | 10752 bytes |
font_02_sfnt_off000127e3.bin185feeb256304474edffef0185de0909dc36192201a7631267803e2c201b038b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127E3 | 16728 bytes |
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