MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs point towards a phishing or malware distribution scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://mondoacquapiscine.com/userfiles/files/26280876191.pdf
- http://tuvanthanhlapcongty.biz/upload/ck/files/23911893905.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893aead6cfc---kifewamuxokol.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b01bde86262---litebulonuliduk.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/64f2cebe0136d87a298c942d7e19ee6b/15443078111.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/7dfeaaea87354b14b547068e35fee0e3/43132969993.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ffdf2e37c---37807399564.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/llu6tb3e8ro9kjito046ssv16o/gipobika.pdf
- http://thaoduocquyhiem.com/userfiles/image/file/tawazelubunusexamatezi.pdf
- http://blossomtour.net/FileData/ckfinder/files/20210725_0A437CC2FDBEFA49.pdf
- http://lab4050.com/upload/editor/file/84798747476.pdf
- http://oasis-inwaste.asia/files/file/21277374680.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/18r6e8v08gnht2ghbiobib445j/vetaneburaxasudeber.pdf
- http://btc-ltd.com/upload/file/bunokolepuzubew.pdf
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/81431984246.pdf
- http://macap.nl/app/webroot/files/userfiles/files/dedokizudevopame.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/uu5a7bppbquhhctjqufq90vkb3/65256522572.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/9609254c14b54b278fabbb850e4a48a1/68026981628.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab45b39439f---jomaxoxuzexatuvoribegug.pdf
- https://fulzugaskozpont.hu/files/49785775866.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/h8scf24okibf1fmjcu1ihl1r90/96012032016.pdf
- http://kccmaul.com/files/files/zukutajaxeveridifuwewox.pdf
- http://autosklo.sk/pictures/file/45554889651.pdf
- https://baoholaodong24.com/userfiles/file/54911882168.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=blackweb+bluetooth+headphones+pairing+pin
- 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_off0000f0d3.bin98050d51fddbd54fba65dbe271e4ee78e0808ba3a66179d92777aac6994272b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D3 | 17732 bytes |
font_01_sfnt_off00011f12.bin9f2e3aeaab605c02cd94f4006a51ba13909aecfb5e120a51ca8a802ea0728224 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F12 | 11264 bytes |
font_02_sfnt_off0001391c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1391C | 16792 bytes |
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