MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics point to the PDF being a link farm hosted on compromised WordPress sites, designed to redirect users to external URLs. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's part of a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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=second+conditionals+exercises+pdf+with+answers PDF link annotation
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/bbcf265df5a378e689b95a6727295e06/10673706927.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/vujowira.pdfIn PDF document text
- http://rgjbreunion.com/clients/6/69/6950e03db8b1ea894755b369f0a03c31/File/menikixexofape.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/42522568424.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/18739157631.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/f6d92e0bcfb2f4afef00ffa480e734b2/juxazibose.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/1osfp9d87i6v33guk6h3ii61q2/24709168335.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/nemamo.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb2eeaf380---wenebonepovuzuduki.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/59956039277.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc3765f7cf---97065721361.pdfIn PDF document text
- http://saga.diamonds/uploads/ckfinder/files/70682863013.pdfIn PDF document text
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/c0faa45882a0bfdca1102664aa631c3b/tupobufinotasaforif.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/83664956956.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/c1fe1b4bb9ca9c4935a031fb1120608f/43693807954.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/90773449946.pdfIn PDF document text
- http://premium-h.info/files/files/doremifijexopejojapuf.pdfIn PDF document text
- http://jmvlpslimited.com/ci/userfiles/files/luzomefaso.pdfIn PDF document text
- https://mps-india.com/userfiles/files/41043691918.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ddea03782---544470143.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_off0000e981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE981 | 10980 bytes |
SHA-256: 862209870c20c3e5839c8e8232590b03be63296d46f7eef62554abaee63223d2 |
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font_01_sfnt_off00010300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10300 | 18292 bytes |
SHA-256: 8d9d968e2672b273620c4fb0d2ad4aea4936119d7168a9c5ca24ee38f19de5cf |
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font_02_sfnt_off000132c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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