MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute malicious content. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier score of 0.998 strongly indicate malicious intent. The document body is heavily obfuscated, but the heuristics and URLs reveal a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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://basalyemek.com/ckfinder/userfiles/files/nudas.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/41bb4a4e0853429dd21a85ece2b51b8f/13546142613.pdf
- https://sakesushimn.com/userfiles/files/juvelurixapasubokajukivam.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161316b1c5aee6---36091660442.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16133d1a9eedba---59237755752.pdf
- http://metafelix.it/userfiles/files/34303364575.pdf
- https://jahanchart.ir/data/files/file/85300201802.pdf
- http://vanguardhungary.hu/userfiles/file/fader.pdf
- http://enotecagaribaldi.it/userfiles/files/69048058794.pdf
- http://www.northern-japan.com/image/upload/File/78835375436.pdf
- http://medicaldistri.com/ckfinder_files/files/18963831563.pdf
- https://dcmheavyequipment.com/admin/images/file/52860482927.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613309277e350---68221355611.pdf
- http://siblom.ru/files/upload/file/98763527393.pdf
- https://fundacjanadzieja.com/images/wyswig_images/file/95168131081.pdf
- http://studiogeologicotrilobite.com/userfiles/files/24897864874.pdf
- http://cadelupo.it/userfiles/files/81821293218.pdf
- https://loonbedrijfschimmel.nl/userfiles/files/sokaxonobob.pdf
- https://hsiaoying.com/userfiles/file/bujavinapujan.pdf
- http://gamax-moto.cz/data/dokumenty/foxufanekizigozidiluven.pdf
- http://bong-dem-long.org/upload/editor/files/xonivutexufa.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613848626cac5---48070980016.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=download+pubg+new+state
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8e1.bin0beaff00474c64ece15f72bb7f842b981dc24aa0e6722951f78eef6ec00114fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E1 | 20168 bytes |
font_01_sfnt_off00010d1c.binf4cf76064556e9a3b268f3089b15be3b44429a794b9a39e0215e028d0ce7675a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1C | 10704 bytes |
font_02_sfnt_off00012574.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12574 | 16792 bytes |
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