MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan distribution attempt. It contains a large number of embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, forming a link farm. The presence of a QR code lure further suggests an attempt to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 https://pistant.ru/uplcv?utm_term=find+my+car+apps+for+android PDF link annotation
- https://mertlakustika.cz/images/pages/file/55179537797.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e92c1532d1---17741400305.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7693810e---29197370153.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/31410213858.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/dogujazikivazukigamule.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/fotewepiga.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/nudikumowamubekatibufub.pdfIn PDF document text
- http://go-pxl.com/uploads/files/7684133698.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/8700d512a4d720b98b61c239b1f44e6d/99252308010.pdfIn PDF document text
- http://gzafjc.com/uploadfile/files/1769801448.pdfIn PDF document text
- http://toszegisuli.hu/userfiles/file/1974212944.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/bisojejexoriwupulu.pdfIn PDF document text
- https://mgs-on-track.com/uploads/misc/files/25477479043.pdfIn PDF document text
- http://hotelbasantresidency.com/uploads/xidepute.pdfIn PDF document text
- http://ecole-belair.com/ecole/file/51938467472.pdfIn PDF document text
- http://wangyiphk.com/userfiles/puxisenuvefo.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/99324422611.pdfIn PDF document text
- http://plenerowe.kbo.pl/ckfinder/userfiles/files/pugixazelibejopilonifoxik.pdfIn PDF document text
- http://audyt.rowerowaszkola.pl/imgturysta/files/59541333069.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/7331590640.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2dad57b77---29249265984.pdfIn PDF document text
- http://www.tramag.pl/upload/file/635251569.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE180 | 17412 bytes |
SHA-256: 2f196f2393d9b05ce776ebe659a314069c22793aae1c5b7c42d233a18232133b |
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font_01_sfnt_off00010eb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CC | 10596 bytes |
SHA-256: 8ca2476366b4cd73c433409bfc36d63f595b1c677a449c8aa324b55215d5d65b |
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