MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=esxi+web+client+url'. Additionally, it exhibits a PDF link farm heuristic, with many links pointing to Shopify-hosted PDFs. The document also contains a lure for remote support tools, suggesting a social engineering pretext. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or scam page.
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=esxi+web+client+url In PDF document text
- http://files.celticknot1000.com/uploads/1/3/1/3/131380128/4848516.pdfIn PDF document text
- http://files.penngradconsulting.com/uploads/1/3/1/4/131438741/lamota.pdfIn PDF document text
- http://files.gelc2020.com/uploads/1/3/1/4/131483371/tezuxufut-rusuzusuge.pdfIn PDF document text
- http://rotoganot.radioeastmed.com/uploads/1/3/2/8/132814084/butosu_jumoniroso_vanokodapes.pdfIn PDF document text
- http://files.forouryouthfoundation.org/uploads/1/3/2/8/132815791/7997533.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/1/0429/7896/7703/files/mukimak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4689/3730/files/58495076754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5070/2750/files/apprendre_a_lire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2399/8874/files/aromatic_and_antiaromatic_and_nonaromatic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/ladovojizagukaraserudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/2511/2728/files/bolafebavefezud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5866/7430/files/68278213618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1481/4885/files/bourdieu_distinction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3681/9104/files/assetto_corsa_database.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7195/5353/files/98114938076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/34497681855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/12302158916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8085/0335/files/51567892340.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_off0000864d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x864D | 4840 bytes |
SHA-256: 4d52a2bd5b5eda055c5e290183b4ec6fcf2868da499399465e8d52a08a78ee99 |
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font_01_sfnt_off000096e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96E3 | 10520 bytes |
SHA-256: 3a2f05b8ffd0bdde8a97d48683545065f06fe33fbd2dcdf224e29ea8a3a3058b |
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