MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing attacks. The presence of external URIs and link farm indicators strongly supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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=can+t+access+android+files+from+pc PDF link annotation
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce165088e2---26158402348.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/rogujosekabisirala.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/50912174712.pdfIn PDF document text
- http://myucmas.com/userfiles/file/52197336765.pdfIn PDF document text
- http://urbanelect.com/userfiles/file/93906700894.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210917_CFF6934023C8210E.pdfIn PDF document text
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/rajakefiref.pdfIn PDF document text
- http://www.pilartangguh.com/file/66698969810.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16143a1c8623f4---96586063566.pdfIn PDF document text
- https://rajnnuhiddje.se/userfiles/file/55768960722.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210903144751.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/fodiruxufoda.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/5607899221.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/bukolesomerugoj.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/jususubasafod.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/gudukorazariniberiloneme.pdfIn PDF document text
- http://888chji.com/userfiles/files/duzogilujagefazunuxikiwa.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6d6be53bd---vekije.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/48601718075.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139c1d5b2b80---nowupewe.pdfIn PDF document text
- http://apartmany.cucoriedka.sk/data/files/1832322330.pdfIn PDF document text
- http://luisacortesearchitetto.it/userfiles/files/zalulekutomulufazuviwi.pdfIn PDF document text
- https://rougezenekar.hu/files/file/3068522054.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_off0000dca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B8 | 18472 bytes |
SHA-256: 804aa0b01108af449adcb50c56d1811146786622a46be2ae70479a92ccdad1f8 |
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font_02_sfnt_off0001249a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249A | 10812 bytes |
SHA-256: 238aae7e02ba71de3c0c09e5587ea288755f10c9d34addfca2735b02a2a1e738 |
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