MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body itself contains the URL 'https://ttraff.com/wb?keyword=anticoagulants%20oraux%20directs%202018%20pdf', suggesting a lure to a malicious site. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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://ttraff.com/wb?keyword=anticoagulants%20oraux%20directs%202018%20pdf In PDF document text
- http://files.eastcommltd.com/uploads/1/3/2/6/132681213/7116649.pdfIn PDF document text
- http://files.melissahaneyart.com/uploads/1/3/1/4/131438211/5953721.pdfIn PDF document text
- http://files.dianapishnerwalker.com/uploads/1/3/1/6/131637853/80cf5b226f7b.pdfIn PDF document text
- http://files.womanstouchnj.com/uploads/1/3/1/4/131483005/6856060.pdfIn PDF document text
- http://kefuxoris.charlottesvilleveterinaryhospital.com/uploads/1/3/1/3/131383483/guvafex.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5287/6455/files/lusemidizififivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/gubevatulukiranujetabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4849/2438/files/blood_groups_and_red_cell_antigens.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/14556179541.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1052/2277/files/84135559503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/1107/5222/files/technical_analysis_explained_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/35348813479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7684/5728/files/bilufopeposo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5439/0687/files/definitions_of_development_by_scholars.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8393/2582/files/besebunuxudozase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7358/4793/files/90584258566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1330/0647/files/50716105257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5653/7505/files/mega_man_x2_rom.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_off00009ee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EE2 | 5900 bytes |
SHA-256: b5bee8b876e4589a920fb64d0b21902a66287fed983ddc53dd6ce05a36a2772a |
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font_01_sfnt_off0000b301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB301 | 12888 bytes |
SHA-256: d91648c0c4c401355a1eb9908f953414843bf7b1da600a259a5d51806036b7fa |
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