MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.ru'. Additionally, it exhibits a PDF link farm, with many links pointing to Shopify domains, suggesting an attempt to obscure malicious intent. The 'SE_INVOICE_LURE' heuristic indicates the document's content is designed to trick the user into clicking the malicious link, likely for phishing or malware delivery.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=coliformes+totales+en+agua+potable+pdf In PDF document text
- http://files.mrmcfadyen.com/uploads/1/3/0/7/130776406/8912594.pdfIn PDF document text
- http://files.lakeelmojaycees.org/uploads/1/3/1/4/131409508/vetefogafaxexonaperu.pdfIn PDF document text
- http://files.tomspod.com/uploads/1/3/1/4/131483053/3c87eece8f12.pdfIn PDF document text
- http://files.transformationscenter.org/uploads/1/3/1/3/131380480/xunigut_kipufi.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/1/0431/2514/5760/files/mofajasepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1294/8121/files/50128401872.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1229/2767/files/benjamin_button_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/39239865049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7345/2697/files/eat_pray_love_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3510/6203/files/the_art_of_war_quotes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1868/1496/files/56456226032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/gadokoxubomen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5203/9328/files/watuwotinizusawipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0993/1426/files/17383916423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/63383988364.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6879/8614/files/salivobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5392/4004/files/quantitative_aptitude_examples_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9791/3512/files/analog_and_digital_data_transmission.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_off00006576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6576 | 5404 bytes |
SHA-256: 2a9701a3c0c8571935dfd4d41f9579bcfdf76eb49d864d928bfbc4b11ed890c8 |
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font_01_sfnt_off000077b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B5 | 12084 bytes |
SHA-256: d2224890f32ee069a3070b1f1fde2f6f15e64ff58c40e7f06902e298be37b516 |
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