MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The heuristic 'SE_QR_LURE' also suggests a potential attempt to trick users into scanning a QR code, further supporting a phishing or social engineering attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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://crewmak.ru/uplcv?utm_term=mx+player+eac3+download PDF link annotation
- http://debandhelder.nl/ckfinder/userfiles/files/19496610356.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/45086009375.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/ad9bf1224ec3ee13e7142d7487b84157/wikixiwugisenidadubokixi.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/99682271694.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70301601811.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/27108335260.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/68268983486.pdfIn PDF document text
- https://tranhtreo.com/images/ckeditor/files/89457756603.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16152fb60aa694---nawaxo.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/pasuzepowidu.pdfIn PDF document text
- https://muacash.com/webroot/img/files/50767349815.pdfIn PDF document text
- http://boathousebrokerage.com/userfiles/file/venul.pdfIn PDF document text
- http://ropesadventure.com/d/files/jeloguxuvasubedapesav.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/26168775594.pdfIn PDF document text
- https://apskarota.org/userfiles/file/78606300996.pdfIn PDF document text
- http://studiopignotti.it/userfiles/files/jobusoterurekaso.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/72407717050.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/39927366173.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/16397267658.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/rozojuno.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/munifutunebalimojepanuwe.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/nobakagax.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/be9027f366dc88a3880da100e31ca7a6/latewif.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090806450573499.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_off0000b1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CA | 15612 bytes |
SHA-256: 5f7ca25b1513d5f70ac38d25f719328df77237c079238dcca8f45bf4fceb29b4 |
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font_01_sfnt_off0000d8eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EB | 10616 bytes |
SHA-256: 024a8d8f57305a738ba11dfd3313b013b85e0f7a230102e3ccd3fe99005adfb0 |
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font_02_sfnt_off0000f172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF172 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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