MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to files hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of a 'download button' heuristic further supports the lure-based attack pattern. ClamAV detection and ML classification strongly indicate malicious intent, likely for phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe05e8201---70455675180.pdf
- https://infotechb2blite.com/bot/ckfinder/uf/files/xitowijagobogubaw.pdf
- http://miroslaws.com/ckfinder/userfiles/files/fowedekilafe.pdf
- http://diysmart.net/userfiles/file/28278169579.pdf
- http://sungwoneng.com/upfile_editor/2021/files/rudezaxinokopopeduzajome.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2d5b9ad89---remezolefebewagotaxene.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/0v7rai7stjlv86lqtcjav2obj9/3293117919.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4dbd46abd---zubijal.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c4b4bf1ad---derarefibatex.pdf
- http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/temesagusamegefe.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ketua9kk541ocganasdp2tqv86/66132792726.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0b040466ccc28762d6b4dedc75594b9a/57840259017.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160841d87b0e44---86696110364.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1fbde4326f---gajaliruvano.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbb4c1b94c---98698898265.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/4716bca30ae7ffac44c074d1580d93a1/7026435942.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/55dd1624f456c1cbb6bc29afe66e11bb/17036612294.pdf
- http://alpha-th.com/userfiles/file/semerezuwi.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/5266ccbc64c4e6cc8f3d47e4c0ee5ef6/nevenu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=i+just+need+you
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d655.bind2b3cb7bb34460acaadf65eb38a171663e1e351f18dc2199d3f15074a24dda59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD655 | 10136 bytes |
font_01_sfnt_off0000ed26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED26 | 16792 bytes |
font_02_sfnt_off00010538.binc8d742ac202fa458f4022324ad9934ca289b0c0bf974f45b89672b98159b909b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10538 | 17528 bytes |
font_03_sfnt_off000132e8.bin27fa49ca30b1f57c6e4f8b99ad1f73ead7010ce1f191e20d716503af09158f46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E8 | 16160 bytes |
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