MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it is a malicious redirector and part of a link farm, designed to lead users to malicious sites. The embedded URL 'https://gettraff.ru/123?utm_term=db2+sqlcode%253D-407+sqlstate%253D23502+sqlerrmc%253D%252An' is flagged as a known malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://gettraff.ru/123?utm_term=db2+sqlcode%253D-407+sqlstate%253D23502+sqlerrmc%253D%252An In PDF document text
- https://cdn-cms.f-static.net/uploads/4454277/normal_5fb8331db4c18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366665/normal_5f9683139ec5e.pdfIn PDF document text
- https://s3.amazonaws.com/dorulusof/11934861911.pdfIn PDF document text
- https://jurulekoteg.weebly.com/uploads/1/3/4/7/134700509/a1e331659ab.pdfIn PDF document text
- https://pivakezajategag.weebly.com/uploads/1/3/4/6/134605748/xikujanofajojof_bojemilebalo_doxokixigiwez_vikid.pdfIn PDF document text
- https://tetagusupawuwag.weebly.com/uploads/1/3/4/5/134586179/xagitelavezar-rumizivevije.pdfIn PDF document text
- https://s3.amazonaws.com/guwutivupudutu/bogokuvudubidag.pdfIn PDF document text
- https://s3.amazonaws.com/sajatesawodiji/erik_satie_gymnopedie_2_piano_sheet_music.pdfIn PDF document text
- https://woruvewuz.weebly.com/uploads/1/3/4/4/134400058/tigejafuwus.pdfIn PDF document text
- https://s3.amazonaws.com/mafavuzenoliki/ohsaa_football_rankings_2019.pdfIn PDF document text
- https://kutesavakelex.weebly.com/uploads/1/3/4/3/134336058/c894ef049ad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9009cbab-1909-4b66-af8c-b4c871be0abb/supemixikemomevapi.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
- 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_off0000cbdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDC | 6228 bytes |
SHA-256: c7739280241cb872d19250806ff9f171db8e1894f8dda08fa355da4280ea6948 |
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font_01_sfnt_off0000e117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE117 | 11460 bytes |
SHA-256: 8fe4bfb0133169a8a83eec92549d3e8ef72338979c0045388048952ab5b8893c |
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font_02_sfnt_off00010853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10853 | 16036 bytes |
SHA-256: 52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550 |
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