MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Numerous URLs were extracted, many pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly indicates an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://cephedanismani.com/images/pages/file/43651511902.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54b9573864---newewixamobugip.pdf
- http://malbreil.com/userfiles/file/rujewuwuxunubamafolager.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b12ca9a28d8---64318599398.pdf
- http://manixcnc.com/ckupload/files/durumijosorovuvagaledag.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/cda195bd481ecde47b8f88b9ccdf854a/nizepisoti.pdf
- http://ibshop.gr/uploads/_uploads/files/jelel.pdf
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/69f068093959ffeff3d1c3c0127eb24a/70232789661.pdf
- http://www.niziointerior.pl/upload/file/nozewebuwenuvakawerab.pdf
- http://otelm4b.ru/admin/ckfinder/userfiles/files/vibifej.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/fojuzotazamejad.pdf
- https://trotusgrup.ro/ckfinder/userfiles/files/ritunagovalezibet.pdf
- http://noithattamphuong.com/upload/files/rarazasuzodixapodofaloga.pdf
- http://www.huntsvillepr.com/files/files/tovoxasapamifege.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16090f47b5f913---52349287356.pdf
- https://norservis.com/files/files/24308483343.pdf
- https://drisraadentalcenter.com/userfiles/file/vuwinamip.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160837dbc0284d---nesimogasixad.pdf
- https://bandotrading.it/uploads/file/83295523219.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/92aeeba469f1e81a1f517d2e067c16ec/82619393645.pdf
- http://pxmonastery.org/CKEdit/upload/files/26934760461.pdf
- http://wildpflanzen-planung.de/file/luwijor.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/83148dca4fdd0af9873b32b69f1cedfb/96027122855.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f6b9cc624824430ad9f71c9a78505e56/22409699712.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6c7be95a5---tapugifolezopufi.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075462976596---28575368769.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=ejercicios+de+energia+cinetica+y+potencial+resueltos+paso+a+paso+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_off0000ed54.bin82a0e5ea7b90b970da5d3a51340a4db8b8044f58512b842cfc0b4fcbe57bc886 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED54 | 11124 bytes |
font_01_sfnt_off0001072a.bin3b1a6c562b7dad6947cd6f06033b4cb3d8b671a58f63b3c2b490326b454b8cd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072A | 19092 bytes |
font_02_sfnt_off00013810.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13810 | 16792 bytes |
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