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 link farm with 18 external PDF links, including a critical redirector link to ttraff.ru. The document body also contains text suggesting a lure, and a heuristic indicates a clipboard command execution lure, implying the user is instructed to copy/paste commands. The primary attack pattern involves directing users to malicious infrastructure via these links.
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.ru/pify?keyword=dolby+digital+live+download In PDF document text
- http://files.noodleshopdesign.com/uploads/1/3/1/4/131406258/jaxifu-misulimoke.pdfIn PDF document text
- http://files.m2dsmedia.com/uploads/1/3/1/4/131409709/f30ca0.pdfIn PDF document text
- http://junutexib.tentaclesounds.com/uploads/1/3/1/6/131637016/vatepu-viwaves.pdfIn PDF document text
- http://files.athleticgrace.com/uploads/1/3/0/8/130814430/9871891f48e8.pdfIn PDF document text
- http://fesivetij.homochittohollow.com/uploads/1/3/1/4/131453540/6eadcd49.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/1/0457/6765/5580/files/korede_bello_mp3_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7254/4150/files/archimedes_law.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7128/2079/files/18236900830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/1132717223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0432/1184/files/young_ones_of_animals_and_birds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6837/2632/files/95054589421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/19688436386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2965/0856/files/kurtulu_sava_cepheleri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0549/2904/files/define_the_term_socialization.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/tikijisekakibuxawuvol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4877/8400/files/12193594281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4047/files/honeywell_cool_mist_humidifier_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/95885791688.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_off00006bc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC0 | 5112 bytes |
SHA-256: 2bbab76f50afbe491cfede7b3715e5c3e8e4204075ffe23ce7a31956846e231c |
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font_01_sfnt_off00007d5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D5D | 10820 bytes |
SHA-256: 73a76ef1a19201d633d22cc7666211821575df37982d9631b4e2b2e8d1fb21bc |
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