MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. No scripts were extracted, but the structure and URL patterns indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9825
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 http://integrotech.com/zdjecia/file/82688244417.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/ab50cd50fc8e8320da899b84ad718b37/93786897860.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f73369e538---gisurufupulilopebikuwapir.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/37e7b907f05921a14165cf9ff8cde5e1/37731555207.pdf
- https://inverpalmas.com/aym_image/files/70244789130.pdf
- http://irina-beha.com/ckfinder/userfiles/files/58453283501.pdf
- http://on-video.com/movies/movie_data/file/18754422283.pdf
- https://flyags.com/editorResources/file///27927292423.pdf
- http://bitite.lv/media/txt/122/file/gowabukorulenetogomawupot.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/177cf9f6d4c5d3653774a59ade333658/goguvajusagogumupopazad.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/ut8gnge7qlj6hl4prmu8v6hg3o/gulofesus.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/fj7en3ebjg8edp21t5jqnmeh2k/22300184724.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768dda90c0b---miwagivi.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160b65263b7eaf---vewexoxirulikesuj.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/2f513f1dc565ebd31e2010d1ac18e7ec/jarijobegizufuse.pdf
- http://esipro.lu/userfiles/file/2582187764.pdf
- http://adacu.org/userfiles/file/20210620201747.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/df4bdae48e5b45a8a4ee479e0cf725f1/xewixilogotasirujavinoxe.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5a6bba25c---78762115035.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0f35d8967---gonosakowise.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7854b95369---joboritovagusitoredidexut.pdf
- https://pacpartner.net/images_client//imagesfile/6406531258.pdf
- https://implant-drill.com/userfiles/file/zazejoxojifavegu.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8724cdeec---56297104402.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/0b42cd927506819f5099fc0288d74637/26141044656.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=jump+force+mobile+apk
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f51c.bin1d6fe79c7c3eb1b8d6abdec2073c43ec21d98f2250ae3834ac13a3f4ba3b2f92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51C | 19004 bytes |
font_01_sfnt_off00012408.bin28c5bcedffb0f63c0f18ed07264126f7c833899b916de9a351f9850be7cb6bae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12408 | 1696 bytes |
font_02_sfnt_off00012c13.bineb83fb48a2f60ac59fad768156047f025764cad4052c8f34695a9c8dd2456ad8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C13 | 16132 bytes |
font_03_sfnt_off00014184.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14184 | 16792 bytes |
font_04_sfnt_off0001599b.bindc63cd731b8f5831bf0d1b9805e50cb576a91d728516c8dd95a429db9af0757d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1599B | 10596 bytes |
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