MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, disguised with a search query parameter suggesting a lure for free content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing. Although no scripts were extracted, the presence of a malicious URL is a high-confidence indicator of a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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=lotro+minstrel+guide+2019 In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc00a03c6229360eca839ab/t/5fc15ec0e18c5c478e2f350b/1606508226027/straight_talk_phones_black_friday_at_walmart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68663c59-cf90-44f9-b4ef-ae495e32b60a/tonave.pdfIn PDF document text
- https://s3.amazonaws.com/tobaziw/obd_diagnostic_software_for_android.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0f73d1c8c741314321d77/t/5fc300665147b148049619e1/1606615143128/97455440426.pdfIn PDF document text
- https://s3.amazonaws.com/jamokaroxoj/50670705757.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc7820a04a8c57c148abc30/t/5fd6a81be5ac5828962d26d7/1607903259963/kerurofupavuxamezukeg.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5c4adc89e1c4b8fdffd23/t/5fd6e56ede5b1220c03e4353/1607918972283/63250763859.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc115d62bbd7406580792b0/t/5fc1f3053485235c860c8d01/1606546182206/vba_subscript_out_of_range_activate_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0101045e-ec15-423b-acae-9b3ae5d60eb9/microcontroller_at89c52.pdfIn PDF document text
- https://s3.amazonaws.com/lewuli/lcaf_payroll_services.pdfIn PDF document text
- https://static1.squarespace.com/static/5fce6232e5a13e2fea70f5ba/t/5fd21bfac10336458b3e8eee/1607605244188/91666283451.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_off0000cd69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD69 | 5360 bytes |
SHA-256: dd1add2a178b05e7ceed5dd2882cb99cba7c9e8b0a18bf09e9dbb2577ab1ba3b |
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font_01_sfnt_off0000df94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF94 | 10532 bytes |
SHA-256: 92250cb25ad8497864e9ca8c891e2a04f4c44d0789618bb8936f81a417ffe1ee |
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