MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external domains, many of which are hosted on disposable or potentially compromised CMS upload storage, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure point towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://dzbnf.com/upload/file///lenamabu.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715bf55eb9b---pezitojodov.pdf
- https://asfus.net/virgsurv/userfiles/file/89774662267.pdf
- https://lecachet.fr/docs/files/rugevekapewibasa.pdf
- https://atputasbaze.lv/images/userfiles/files/59232541484.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cf021dee88d---zijajatedebosomaberow.pdf
- https://bititechnika.com/uploads/file/19213246899.pdf
- http://albino-pitti.com/pub_img/file/35023122014.pdf
- http://littlepearlspublishing.in/data/eimages/file/42781452728.pdf
- http://31kouqiang.com/userfiles/file/1623104499.pdf
- http://jghsclass75.com/clients/f/f3/f322050927ea28328664fd088939ffaa/File/59434170066.pdf
- https://dolcezzecaffe.it/file/velipuguvaramexadamupojo.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/5e7d0d810b73baca34182757c07d2506/20731864595.pdf
- http://bitree.net/ckfinder/userfiles/files/25656570995.pdf
- http://duda-tech.pl/dudatech/upload/file/46801009327.pdf
- http://files.ibiza-ferien.de/file/tavemuvozowuzozanepagaxuk.pdf
- http://thuduchouse.vn/pics/file/ledememaxanesapexitor.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a156405c66f---kepikikasamizesel.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97dd337fa2---wesozezekolakekowili.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/kthrv0fg7g4noea2m7jut7csg7/sagokirisiruredere.pdf
- https://manenshop.com/upload/files/26909738709.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ueivtesrvt6oomhrluqna10i2f/xavetapipaderetubufisagu.pdf
- http://health-bridge.in/upload/file/dudadodu.pdf
- http://simsvizag.com/admin/uploadedfiles/file///butafijojaduvamosovo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=vocabulary+practice+worksheets+5th+grade
- 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_off0000c6d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D6 | 16792 bytes |
font_01_sfnt_off0000dee8.bindfba55cead135278929b800d59977860c46bd0cc2e2c7b34cc851dbe769ae5d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE8 | 17528 bytes |
font_02_sfnt_off00010bfc.bin7ee9f9e9a415c805ca7acf17122d29a72a017e83e39bba5e2f3d9c76532e68ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BFC | 11324 bytes |
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