MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a direct link to a known malicious redirector at 'https://ttraff.com/pify?keyword=fluoroscopic+guided+lumbar+puncture'. Additionally, a heuristic flagged a 'Clipboard command execution lure', suggesting the document instructs the user to copy and paste commands into a shell, likely to download and execute further payloads. The presence of these elements strongly suggests a malicious intent to redirect users to harmful sites or trick them into executing commands.
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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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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/pify?keyword=fluoroscopic+guided+lumbar+puncture In PDF document text
- http://files.lockmangenetics.com/uploads/1/3/0/7/130775383/nizejab.pdfIn PDF document text
- http://files.highclasswhoopass.com/uploads/1/3/0/7/130740551/xofadefobeb_kolas_jegesurejag_denanunakuperav.pdfIn PDF document text
- http://gebivamev.elizabethheppenheimer.com/uploads/1/3/0/7/130740440/c0a9e1c8a66a06.pdfIn PDF document text
- http://pevus.hipnotions.com/uploads/1/3/0/8/130873782/8138310.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
- https://cdn.shopify.com/s/files/1/0441/3207/3624/files/sri_devi_bhagavatam_in_telugu_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9861/2636/files/kibubuxokufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0107/0247/files/86204462475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4713/3088/files/kekifimaxurutuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8530/7808/files/56951627856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/76175611811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6891/4838/files/68482178528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6707/9830/files/mixed_in_key_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3593/0273/files/bourton_on_the_water_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9344/9122/files/55683499068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1996/8417/files/notirob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1455/9656/files/33236385839.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_off00007581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7581 | 5368 bytes |
SHA-256: be85b8ff0a16371f821f9fb5596f0909748cccd6c790c345032e165edddb0b53 |
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font_01_sfnt_off0000879f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x879F | 10160 bytes |
SHA-256: f6d91fa02911f89412b1e86fa1895dca0a05b4cfcb1a38a27cd16e973e1daee9 |
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font_02_sfnt_off0000aa50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA50 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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