MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to deliver a phishing lure or download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://wastran.ru/uplcv?utm_term=samsung+galaxy+4000+to+6000 PDF link annotation
- https://andhimazhai.com/images/files/86098412509.pdfIn PDF document text
- https://pasarantogel.com/contents/files/pitesano.pdfIn PDF document text
- http://vector-food.pl/userfiles/file/35472288282.pdfIn PDF document text
- http://vetportonaccio.it/userfiles/files/69150781311.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/85843035212.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea85cfb20---kosobe.pdfIn PDF document text
- http://tongdingjixie.com/d/files/15805904683.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/diwibenifuvapu.pdfIn PDF document text
- http://szcftz.com/upload/pesukinexita.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/161488628ef774---56114058603.pdfIn PDF document text
- http://abdon.madteam.net/ckfinder/userfiles/files/70070519048.pdfIn PDF document text
- https://kristinanamaste.eu/files/35719046728.pdfIn PDF document text
- http://rejs2013.cycling-recycling.eu/imgturysta/files/94863444857.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139935f03feb---45653272077.pdfIn PDF document text
- https://lotteppta.net/beta/assets/file/dimepotetefegatijafu.pdfIn PDF document text
- http://blueyee.com/upload/file/120216002476.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/kinaporoxefajakikaxipij.pdfIn PDF document text
- http://prosquash.by/data/48302816771.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/h8p66eo0rb3cjii8f8qg7e0dtr/7609343194.pdfIn PDF document text
- https://www.vita-organic.eu/admin/ckfinder/userfiles/files/xotenenawipib.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_off0000aeb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB5 | 16100 bytes |
SHA-256: c21cc14bd854860661735f256ea27d16d4faece4960bf00e77cff8d38dfb94a7 |
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font_01_sfnt_off0000d7c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C4 | 10884 bytes |
SHA-256: 715147d9fe6c25a34a3f67b876d6686d4fe4e1d555ffd4b61e879d8accf1642c |
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font_02_sfnt_off0000f108.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF108 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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