MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous embedded URIs point to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or spam campaign. The primary goal appears to be redirecting users to potentially harmful content through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://allytemp.ru/uplcv?utm_term=weird+o+letter PDF link annotation
- https://biographiewerkstatt-singer.de/userfiles/file/luvalike.pdfIn PDF document text
- http://bigbazar.cz/is/images/FCKeditor/File/xozatoterarexuxizip.pdfIn PDF document text
- https://iringmalaysia.com/ckfinder/userfiles/files/2839949686.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/ginedorileku.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/94566924915.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/53921138304.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/92854463276.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/b4e6a114dd74085f47d7a751f746344f/fogufaduwosadutor.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/af6d6e1605a097e061dfb24a933f7110/xibupigizinekipijekutotu.pdfIn PDF document text
- http://maydemtienvn.com/upload/files/19362933927.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/08fe181c42a69391ea5ec759935ed762/medodolinuxuxujaduri.pdfIn PDF document text
- http://detskypohar.cz/upload/file/24298523827.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/d2e8e92a0dcd5cb5e82dd1f624b9374e/71212140958.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3e02d91e3---mixadaro.pdfIn PDF document text
- http://podarox.ru/public/files/84761596333.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/36027322450.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/vosuwukigi.pdfIn PDF document text
- https://pushtypathshala.com/demo/aims/files/images/files/pemopamorimurorisuladu.pdfIn PDF document text
- https://gres-k.cat/userfiles/file/3867125714.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/gizinupimiridafos.pdfIn PDF document text
- http://med-os.com/user_upload/file/befuxijolu.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b03834cf31---ferav.pdfPDF link annotation
- 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_off0000f260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF260 | 23636 bytes |
SHA-256: 18b758223257ab666e5899b21f1f13416323e8a2ef91a146a8c6ca8a14c20463 |
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font_01_sfnt_off00012fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FCE | 9800 bytes |
SHA-256: 9b2d2750d11142c6242a5617bdeddef8512ae0ba03d93a298db8f2c2b3fa9921 |
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font_02_sfnt_off0001455e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1455E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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