MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. The presence of embedded URLs and the nature of the heuristics point towards a spearphishing attachment, likely aiming to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://ketchas.ru/uplcv?utm_term=power+system+book+by+cl+wadhwa+free+download+pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac7241e4a3---gumudaf.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4dac636e3b---jukudora.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/345b9c36050c3292559e37c28765d3a3/winudomopokimoze.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cd4d164d4---73927799354.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/8c8dd4abfbbeb940a2e058a7f34750fa/xobixilezimilesuf.pdf
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/wepet.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/45nc4duapafanh6aatn3qbfdi0/88721799867.pdf
- http://stacjaregeneracja.pl/userfiles/file/70387789112.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ohn2michmcgf39thmlbc9eqke5/39696936178.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e096b56aa2---7936176837.pdf
- https://dollarplus98.com/images/upload/files/podajupikizujujanetuja.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/3u10th0sr5kg0pn9vceiaqsdde/togubopapipipojalat.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844d25f2e08---zofojaji.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608c96c23a947---37688930494.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771a1f81741---danisujirutiji.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/13434567baba868f6bbc521ddfa8bed9/13993841423.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/1565f15a6021c846ec8ff05fb239c378/netizoma.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/1a6jqngslncv1u5prgit9ij5fc/3736933063.pdf
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210526181216.pdf
- http://qlinairnv.be/userfiles/file/dufej.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/ginipixizakimibiziwi.pdf
- http://goodtraefarm.com/ckupload/files/radomunitogafovexiwutapo.pdf
- http://wumag.pl/userfiles/file/jidawabuf.pdf
- http://www.bufolari.com/public/immagini/file/lexugopufikasamefoka.pdf
- 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_off0000d4cf.bin9e18d27f8b835d0e5a2ef16070e260b7b4d17de8dd845bf63253e86d74bc23db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CF | 17448 bytes |
font_01_sfnt_off000102a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A3 | 16792 bytes |
font_02_sfnt_off00011aba.bin13c6957dc21d6838e4e8b5af59dca65da04ad83432d9b7dce6b1686a8517b617 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABA | 11224 bytes |
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