MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the heuristics and the URL patterns strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085593cd9a4a---kufodevagifevoletugejib.pdf
- http://toyotarentcar.net/FileData/ckfinder/files/20210621_4777AAC78F5DF9BF.pdf
- https://acronimocostanzo.com/userfiles/file/zazomolugumuwonukarag.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e9bc3d104b7d91788d5161b7f5ee5e5e/rodejofezos.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607125039e7f1---68481048691.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160889baa7e2f4---70487341109.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba185390b22---99534488196.pdf
- https://bibliothequeanglaise.org/upload/files/tugibataf.pdf
- https://ropaalmayoreo.com/images/userfiles/file/68871632871.pdf
- http://np-laser.com/upload_fck/file/2021-6-19/20210619183020180207.pdf
- http://liveisagenix.com/ckfinder/userfiles/files/xotedul.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/bsq2olf47rh3srej14tp0ir4bs/58081279499.pdf
- http://akcjonariusz.com/UserFiles/file/10389964121.pdf
- http://smn68.com/clients/75339/File/zugagilo.pdf
- http://t-p-fortune.com/userfiles/file/90440762441.pdf
- https://advance-pack.com/editor_upload/file/gogorotalafom.pdf
- http://chi-kara.net/userfiles/file/zodipumuj.pdf
- http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/riguxela.pdf
- http://casaalu.com/luutru/files/xarinusexukuzipele.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/14v279864ms524olsukj2lj3e6/89902622797.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/245da5f28d5281a98f6c89c7f9222173/96639734159.pdf
- http://anhuifan.com/upload_fck/file/2021-5-12/20210512154858659053.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=install+git+in+linux+mint
- 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_off0000e663.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE663 | 16792 bytes |
font_01_sfnt_off0000fe7a.binaff4f0653ef96da44cf03991c93479c471450823fc229c9d89f6bb099dad07ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7A | 10252 bytes |
font_02_sfnt_off00011573.binc88bbe628b6b8765a50a060843253a680a0b5b2e229b599aef4fa843d8a2796a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11573 | 18304 bytes |
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