MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing numerous external links, many of which point to redirectors and potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing or trojan variant. The embedded URLs suggest an attempt to redirect users to phishing sites or download further malicious content.
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://maypoin.ru/123?utm_term=the+invisible+string+pdf PDF link annotation
- https://cdn.sqhk.co/jamolipa/R1lQjib/great_falls_farmers_market.pdfIn PDF document text
- https://s3.amazonaws.com/naxizugenabi/67907862931.pdfIn PDF document text
- https://sanepawoja.weebly.com/uploads/1/3/4/5/134579143/6c0e83cc4b65943.pdfIn PDF document text
- https://dafubadam.weebly.com/uploads/1/3/0/8/130874240/zisajex.pdfIn PDF document text
- https://cdn.sqhk.co/xafiguzi/egjUh6t/mabofiraf.pdfIn PDF document text
- https://s3.amazonaws.com/geradi/abdominal_aorta_ultrasound_report_sample.pdfIn PDF document text
- https://cdn.sqhk.co/pumevigatare/HhiggW8/mustang_cobra_iphone_wallpaper.pdfIn PDF document text
- https://cdn.sqhk.co/mibemofega/gchgicD/batidobetatovaxaravex.pdfIn PDF document text
- https://cdn.sqhk.co/goworonol/89yqGAy/29178669124.pdfIn PDF document text
- https://cdn.sqhk.co/geroterunetu/fibdihE/vazigim.pdfIn PDF document text
- https://s3.amazonaws.com/tudawufed/wodasiwotiwabovagufax.pdfIn PDF document text
- https://s3.amazonaws.com/gonafoziguwewe/excel_indirect_function_from_another_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/bozogekeji/kUhigd0/42374052979.pdfIn PDF document text
- https://cdn.sqhk.co/tefaxobaf/gcgjjio/40589699224.pdfIn PDF document text
- https://cdn.sqhk.co/moxibusas/hDiaKhj/toolbox_talks_construction_industry.pdfIn PDF document text
- https://s3.amazonaws.com/zamemigojat/zopixusewulepid.pdfIn PDF document text
- https://cdn.sqhk.co/ronofumito/hphbhfG/running_on_empty_food_review.pdfIn PDF document text
- https://cdn.sqhk.co/kobewudojuvo/jbSifje/the_trip_to_greece_netflix_uk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC73 | 5244 bytes |
SHA-256: ea6722715c01bbe72ea87ff0e26c43f57447d3cdc5a55da6104945cb5d7f8138 |
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font_01_sfnt_off0000de43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE43 | 10424 bytes |
SHA-256: b3a9b39bb81350b5109e5002a14a6c732dfa1b4866bad23adc79e703a54e694f |
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font_02_sfnt_off00010209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10209 | 16036 bytes |
SHA-256: ffcc099cb313ee7442755751e66ee5b466d1c2ae3a5aa4db1c7e493352985176 |
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