MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, https://ttraff.ru/pify?keyword=dieta+vegetariana+saludable+pdf, is likely used to redirect users to further malicious content. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure to download seemingly benign files that ultimately lead to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=dieta+vegetariana+saludable+pdf In PDF document text
- http://files.mindscapegallerystl.com/uploads/1/3/2/6/132683111/1329c.pdfIn PDF document text
- http://files.alissahartenbaum.com/uploads/1/3/1/4/131482916/satogemimuxu_gubakumozeb.pdfIn PDF document text
- http://files.canoefun.ca/uploads/1/3/2/3/132303353/xunibonogulugijaxite.pdfIn PDF document text
- http://files.myfinalsnotes.com/uploads/1/3/1/6/131606923/efd8bc68582886.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/1/0435/7046/2883/files/59366046274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/99886761485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4827/1000/files/learn_excel_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6354/8831/files/25055015246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8164/5736/files/adhesive_bonding_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0401/8336/files/95750017582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/tomigavivis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/pimipubebinovumibubivowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0973/5845/files/gubobakovemanejufigiveb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/45247150379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9635/9580/files/26714118543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8434/8569/files/falevawodulifoduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/firefly_episode_order.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/lanigozebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1537/2949/files/31151269636.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_off0000773d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x773D | 5180 bytes |
SHA-256: 10858a7ce283db28fd2cb202b97b908cfef417ac39b22244473e948213bcdab4 |
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font_01_sfnt_off000088eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88EB | 10604 bytes |
SHA-256: 783f421b1fe491bb42c2f2190aa0d72e6e2a35d7c2854d47a94db5f2b5d18cca |
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font_02_sfnt_off0000ad16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD16 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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