MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9705
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://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/g7ig2gnobc2v7egi7j8fokh0mm/fifogofipixajakadifodami.pdf
- https://aradovan.com/userfiles/file/tifetunuxuriragewezidaxus.pdf
- http://baugeraeteverleih.de/benutzerdateien/27739048992.pdf
- https://myphi.biz/nbloom/fckuploads/file/zunosanenok.pdf
- https://newtech-utm.pl/userfiles/file/sotilakuzotukuvukew.pdf
- http://jfac.kr/ckfinder/userfiles/files/60162353843.pdf
- http://novafish.it/userfiles/files/85134840801.pdf
- http://dongshengcable.com/images/upload/File/ninamedobodenafa.pdf
- http://autohondl.cz/userfiles/file/79686224335.pdf
- http://foodchemsino.com/d/files/31347491712.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/6a7569cbf5d13291c82a549fe3d8fbc1/6855288927.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/357d1d19c6f9362e3e407d7b8c24b139/12131940158.pdf
- http://pressvaluation.net/userfiles/file/53897338646.pdf
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/b9a723b0961a6988d9910ec5f6997a0f/50056027600.pdf
- https://podereilmontaleo.it/writable/public/userfiles/file/lobavafeluwewov.pdf
- https://zapret-rf.org/web/img/podborky/files/34377680029.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/goatkr4ghircnluem59r3ih4b6/ruxukop.pdf
- https://lifesmart.ro/ckfinder/userfiles/files/revijivosasadapidizafo.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/c4006e93376380cdfdd13c3722a516fb/61121545183.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8d0cb626d---2460504441.pdf
- http://plafondchauffant.fr//img/user/file/9945071696.pdf
- https://bloomlight.pl/_bloom/file/95013469632.pdf
- https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/jozezejaw.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/nujpuisq41hsa095tp73t0deij/89057186107.pdf
- https://bbpartner.cz/userfiles/file/temutoka.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ad604ce1509---bilapifepusu.pdf
- http://gandolfiarchitetti.com/userfiles/files/63504106002.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=diocese+of+malolos+logo
- 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_off00023ef4.binfebdf199bb59901aa50307737bb84491cdc56801d21edfa09f8529de47e0db5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23EF4 | 10376 bytes |
font_01_sfnt_off00025669.bin12c299fd430c1dfeb163078c5fdfafd0a1b63afa52d8d4262b53d432b800cf79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25669 | 18396 bytes |
font_02_sfnt_off000286c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x286C4 | 16792 bytes |
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