MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various domains, some of which appear to be compromised. The 'SE_INVOICE_LURE' heuristic suggests a potential pretext for user interaction, although no explicit document body content was available to confirm this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://radissonhoteltraining.com/userfiles/file/zamis.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0452d03809---luwimo.pdf
- https://gtselect.fr/ckfinder/userfiles/files/96679284597.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/9fc6aab5017240c4bd897c14f89a2d43/bunikokexujudagagu.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d09ab5dd103---10164186243.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9862ddba9---20846269302.pdf
- http://aqbnb.com/uploadfile/file/fawedizapezitirozuleliza.pdf
- https://riondene.ch/img/uploads/file/zofugisorito.pdf
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160834199b4b4b---zupapojufufadoragimofan.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/n260v8fadod10qjrm00sh4e829/10504345352.pdf
- http://marthomaiticherukole.com/userfiles/file/bagabalemajido.pdf
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41097a9114---sereginoxutasavuzariga.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/mogamumitajefun.pdf
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/3139939259.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160885d80b3aa3---59539141564.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099fe8b05daa---kobelatenapojulid.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e6ae57168---zidowotukejojitenitoz.pdf
- http://mp-hd.de/data/aktualnosci_imgs/file/poloz.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3aa049c63---xalup.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2441e1db8013933853c8885b5d7a35e0/dezofebixixumas.pdf
- https://alkalacarservice.com/public_html/userfiles/file/batuwijulatewur.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jr9pkig6bd1ve6qd15qatp9od4/6089651661.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/0jraobg0nt2ebb7bh1rp00e9rh/2283136374.pdf
- http://99hospitalitygroup.com/ckfinder/userfiles/files/lesironewajesamuk.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=registers+and+counters+pdf
- 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_off0000dc47.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC47 | 16792 bytes |
font_01_sfnt_off0000f459.bin586e106dce6effa96b623f7874fd43fa982ac04eb4a077039a11b7f064f133de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF459 | 16232 bytes |
font_02_sfnt_off00011e91.bin55c6df7ee9bcc1dc34e9c095275d675a494c6ef2cf7459c1fe4bcbebc90e85ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E91 | 10892 bytes |
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