MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm designed for SEO purposes, likely to redirect users to malicious sites. The presence of a UTM parameter in one of the URLs suggests a tracking mechanism for phishing campaigns. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://jottigo.ru/aws?utm_term=guerrilla+attack+marketing+example PDF link annotation
- http://zupezemuwapalug.22web.org/alimentazione_ayurvedica.pdfIn PDF document text
- http://pufivuziviv.mypressonline.com/64793635320.pdfIn PDF document text
- http://jakivuxevova.22web.org/didunamisumujilepuxabi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vifusupegiza/bluetooth_peripheral_device_driver_free_filehippo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95beda1f-3f8a-4e1f-b6ca-ec5501198cfd/irregular_and_regular_verbs_list_complete.pdfIn PDF document text
- https://9d76d0c6-5807-43ac-a2ba-7b4112d1a20a.filesusr.com/ugd/5cd33b_e745eba146ff403ea157304902963305.pdf?index=trueIn PDF document text
- https://c0cead0d-5248-483d-940e-95cc3acd9bde.filesusr.com/ugd/20d83a_0d878837c4e44f61ab21759514b317db.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gorajikunobixi/what_does_an_international_arbitration_lawyer_do.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/sony_wireless_headphones_mdr-_zx330bt_manual.pdfIn PDF document text
- https://9a60fab3-6fb0-4be7-9305-b2e3cc44d963.filesusr.com/ugd/811c4f_1f0df40e0825400f9fb0c85b070c89b4.pdf?index=trueIn PDF document text
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_12db9cbb0b1947569072a5dd423f7d0b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fbe2fdef-468c-4375-a194-82c0f2467a54/notas_para_flauta_canciones.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2b2c776-44f0-420e-abf5-338fc44f0fd5/american_gods_free_ebook.pdfIn PDF document text
- https://s3.amazonaws.com/wibadinavosunom/89955841828.pdfIn PDF document text
- https://9177b9cb-4c70-42bd-a9e0-27a1bf53b67b.filesusr.com/ugd/9baf76_ccda4fc7342349b396a5ba35664bc8b7.pdf?index=trueIn PDF document text
- http://tenezozujilajiw.rf.gd/68094688146.pdfIn PDF document text
- http://bipegokatif.onlinewebshop.net/xovugojebovezikekufeja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c6d8812-7c56-49c3-9008-def5c514f5fb/68724875050.pdfIn PDF document text
- http://somasetowijo.myartsonline.com/75076124851.pdfIn PDF document text
- https://s3.amazonaws.com/fajixe/xugamefulibabufejupobolat.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA61 | 5236 bytes |
SHA-256: ebeba4a15a9ecbf0ac13942910b69539edb5c8314ff32a4b3193f4b0412f0c37 |
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font_01_sfnt_off00010c2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2B | 10832 bytes |
SHA-256: da46cd650e666043a61d6878e6f21c2f2255ef1910ff79737505967f9825a96a |
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