MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to SEO-optimized URLs designed to appear as legitimate resources. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, and 'PDF_SEO_UTM_REDIRECTOR_LINK' highlights an image lure linking to an SEO redirector. The primary URL identified, https://druttle.ru/wix?keyword=7.2.3.4+lab+answers, is likely part of a phishing or malware distribution scheme. No scripts were extracted, but the structure suggests a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://druttle.ru/wix?keyword=7.2.3.4+lab+answers PDF link annotation
- https://tofikopu.weebly.com/uploads/1/3/1/3/131381225/tetibipis_zotodova_warizoxete_vipomode.pdfIn PDF document text
- http://mavurelaro.22web.org/xemozisadurejalubelo.pdfIn PDF document text
- https://kitowido.weebly.com/uploads/1/3/5/3/135348724/5e15f.pdfIn PDF document text
- http://xixijebufo.iblogger.org/4451650983.pdfIn PDF document text
- https://kimuremosov.weebly.com/uploads/1/3/4/7/134732255/3677512.pdfIn PDF document text
- https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/2289260.pdfIn PDF document text
- http://nunokulivot.22web.org/77414226285.pdfIn PDF document text
- https://metuliwilive.weebly.com/uploads/1/3/4/3/134386481/fizosedudapida.pdfIn PDF document text
- https://zuxusesomopekem.weebly.com/uploads/1/3/5/3/135305840/8877873.pdfIn PDF document text
- https://bubinaxe.weebly.com/uploads/1/3/2/6/132681619/fuvivan.pdfIn PDF document text
- https://mebolosedam.weebly.com/uploads/1/3/6/0/136009811/5701555.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://lelobuz.rf.gd/highest_common_factor_worksheet_grade_8.pdfIn PDF document text
- https://s3.amazonaws.com/bulalowisu/24111661970.pdfIn PDF document text
- https://s3.amazonaws.com/fusidejebi/kavexesa.pdfIn PDF document text
- https://451b78f8-089e-4d4d-bc4b-60abb621f7e6.filesusr.com/ugd/7ef0dc_af1f4bf53f144c40a4c05e2381e21989.pdf?index=trueIn PDF document text
- http://fulapokop.epizy.com/7953816504.pdfIn PDF document text
- https://s3.amazonaws.com/lososimap/sanupexukurulu.pdfIn PDF document text
- http://zawovasozanadi.epizy.com/arena_di_verona_programma_2020.pdfIn PDF document text
- https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_2d423e2fbae143fabd73d6e28bba50ba.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/werowibovezoje/selitufimi.pdfIn PDF document text
- https://s3.amazonaws.com/divexikav/dokusirazajaf.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF74 | 4860 bytes |
SHA-256: 43342389ac6623c6ad2f61fc2a39db7f4b02cae9ac0d71fd94da44375b6d3f63 |
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font_01_sfnt_off00010003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10003 | 11064 bytes |
SHA-256: 3bf455479b9658df48429061483eb2803ae922912f0912dbf6d66a533d91f517 |
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font_02_sfnt_off0001252a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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