MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of a link farm suggests an attempt to obscure the true destination or to leverage SEO poisoning for discovery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076145902b36---penexesovoza.pdf
- https://prolocolidodisavio.org/ckfinder/userfiles/files/dilawuwenif.pdf
- http://michellesmithscott.com/clients/36670/File/10201629219.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/feb73a186433463990c6d412a176cc52/66363099789.pdf
- https://ipic.vn/userfiles/file/josamimafodumozepikodole.pdf
- http://katyababash.com/images/uploads/file/97876492689.pdf
- http://jingluo.net/uploadfiles/files/dimipitosukinajal.pdf
- http://samuiluxurytravel.com/Uploads/file/zitowoza.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/3931c8aabe364c4e824bf48c5fe3510d/52542583342.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/f729f86d7330e8e86818d57c52425aef/31173443811.pdf
- http://baraanduliaptti.org/userfiles/file/74312598535.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbbd94de5f---milufevomawupuvizisupavuf.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16088f9d735355---bomozidabejametujuji.pdf
- https://circolodelpistone.ch/userfiles/file/fesefapetubuzoxo.pdf
- https://meganimal.pt/site/upload/file/34047586085.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cef2bf1c468---putenuvejokujadonad.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a904f2e46e0---61628345145.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/4m730t51vrsa8a7sbcjdje80ku/vitotura.pdf
- http://kingtonkatsu.com/uploads/files/40182613680.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/scfpdnkvnr1kdslqiivckuukh6/36559383608.pdf
- http://shipagents.nl/uploadfiles/file/mememegiluvujeka.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=work+hard+in+silence+let+your+success
- 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_off0000e550.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE550 | 16792 bytes |
font_01_sfnt_off0000fd62.bin0236ea67452f4af51aa06f01860dcf4e2ad49cdf14b157b83fe2d64a8cb44157 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD62 | 16944 bytes |
font_02_sfnt_off0001291b.bin145f5a75d8e56ba15c2e62b79550903e0306914ba8721c1dbf0829263eed7663 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1291B | 10768 bytes |
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