MALICIOUS
156
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. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/85439620d61d7237b1786077f34ffb1e/69289527079.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/kbaedk2idbu60l4hpvmgschfli/82375826904.pdf
- https://cplastik.cz/data/cms/file/ravaketoweni.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/f2lhm07cquabkeqhonica80lu1/45512643367.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b63945415b1---vudekitekevagifa.pdf
- http://abpaluso.com/upload/file/14225027316.pdf
- http://mujuerp.com/uploads/ckeditor/files/20210529092635.pdf
- https://arerp.kr/data/file///zetilewokigizisolowagaxu.pdf
- http://animalscipublisher.com/files/upfiles/file/53854057401.pdf
- http://citadelcaralarms.com/userfiles/file/78946275990.pdf
- http://domeinbeverdonk.be/assets/files/file/xiselevukivatanotomeb.pdf
- https://daaeportrett.no/upload/file/godagamamenobotasizeta.pdf
- https://isleo.com/i_photos/file/wikobozuzutafimopupumonu.pdf
- http://asesorgubernamental.com/images/file/vojusinizujanibemowege.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16080655dd591e---81270715736.pdf
- http://quickvideo.nl/userfiles/file/95906234874.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/89041738405749e84ed4ba7d3642eb9c/62570408669.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160790fb67dae0---33170633162.pdf
- http://vce34.ru/attachments/file/32398466335.pdf
- http://spreewaldatelier.de/img/editor/file/zeborobanabejogoso.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96725d403d---xaronug.pdf
- http://photo-preiss.com/upload_files/files/20034589253.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073a245646b4---guwulamanigilegupe.pdf
- http://autosoftware.company/autoresponders_images/files/mukajijiduwazoko.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe059c5a2c---pijakekabaxazafagisakadum.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=people+mating+with+animals
- 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_off0000d15b.bin8150b522754b7f7ea3e3bb50ffe8f43609305c6a270cc32ee69158a343603db0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15B | 10688 bytes |
font_01_sfnt_off0000e9bd.binaa0df2e92ffa74dbca89c93b34db980b4687ded4a812e0e54c67a3a9cccc96dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BD | 16788 bytes |
font_02_sfnt_off00011556.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11556 | 16792 bytes |
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