MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically points to a phishing lure using an SEO redirector, with the primary IOC being the URL 'https://druttle.ru/123?utm_term=einstein+ii+tft+manual'. Although no scripts were explicitly extracted, the presence of PDF-specific heuristics and the nature of the detected threat suggest an attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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://druttle.ru/123?utm_term=einstein+ii+tft+manual PDF link annotation
- https://site-1172709.mozfiles.com/files/1172709/cupcakes_recipes_for_free_app_offline_with_photoshop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470526/normal_5ff0a372ac34b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421365/normal_5fc517a0d50be.pdfIn PDF document text
- https://site-1177404.mozfiles.com/files/1177404/mask_of_the_plague_doctor_mod_apk.pdfIn PDF document text
- https://site-1192441.mozfiles.com/files/1192441/android_api_request_permission.pdfIn PDF document text
- https://site-1175656.mozfiles.com/files/1175656/wituziwizosamujelezizidut.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450634/normal_5fd2d105b16d9.pdfIn PDF document text
- https://site-1177404.mozfiles.com/files/1177404/aroma_rice_cooker_measurement_guide.pdfIn PDF document text
- https://site-1178914.mozfiles.com/files/1178914/alone_wallpaper_hd_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421960/normal_5fec1562c2d91.pdfIn PDF document text
- https://site-1197012.mozfiles.com/files/1197012/5113949062.pdfIn PDF document text
- https://site-1196831.mozfiles.com/files/1196831/alphabet_worksheets_for_preschoolers_a-_z.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bisazabe/januvibidutusekifujup.pdfIn PDF document text
- http://wubavon.epizy.com/mac_buyers_guide_apple_tv.pdfIn PDF document text
- http://beninoduvewer.epizy.com/nilenad.pdfIn PDF document text
- https://s3.amazonaws.com/jedobufudajewu/58460991270.pdfIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/tofeg.pdfIn PDF document text
- https://s3.amazonaws.com/sajezife/55276358074.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/xazuxabelefafoka.pdfIn PDF document text
- http://kuwosuz.rf.gd/10682101422.pdfIn PDF document text
- https://s3.amazonaws.com/bupijila/38505457683.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000f9ca.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xF9CA | 13548 bytes |
SHA-256: 13b9ecbccfdccc0bb8ceea29cb7e321ce1ed732368fffc325ae6c31e59a59733 |
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font_00_sfnt_off0000e9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AB | 4772 bytes |
SHA-256: 8824541fd55ff0bddec773db274928f6cea26379ae12af21733b7d02340fc9cf |
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font_02_sfnt_off00011ff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF4 | 13748 bytes |
SHA-256: 13faaf062dd57f5c9072833d122534171a5fb40440dfd0650eeb92dafb202440 |
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