MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, forming a link farm. One of the initial links, 'https://ttraff.ru/pify?keyword=alveolos+funcion+pdf', is identified as a malicious redirector. This suggests the document's primary purpose is to lure users into clicking through a chain of links, ultimately leading them to malicious infrastructure.
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=alveolos+funcion+pdf In PDF document text
- http://files.lindsay-hamilton.com/uploads/1/3/0/8/130813782/5535046.pdfIn PDF document text
- http://files.charvalley.org/uploads/1/3/1/4/131437532/2288647.pdfIn PDF document text
- http://files.learningtreepreschoolsd.com/uploads/1/3/1/3/131379312/5438811c58550.pdfIn PDF document text
- http://files.jd3radio.com/uploads/1/3/0/7/130738614/ae1d5d7f.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/1/0431/6191/1460/files/weligomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0323/1908/files/purifamavomugoxusupedilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6558/0437/files/central_limit_theorem_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2938/8699/files/1066063580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1845/2120/files/72027397768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0299/4586/files/chemistry_notes_for_class_11_sindh_board.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9811/2167/files/gulapifeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/tizezekafuzofegedemeduda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/john_deere_320d_specs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/nadikasavituvurem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5942/6968/files/economic_census_2020_exam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3621/1362/files/bametamurikosasojevun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9957/8773/files/mechanism_of_benzimidazole_synthesis.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_off00005fe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE6 | 4892 bytes |
SHA-256: 475808d94a57dee214b63aa23a0fbcdeeb53057197c32de1159b27524f39f827 |
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font_01_sfnt_off000070b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B3 | 10896 bytes |
SHA-256: c643e60020ee2848e66918d2914aee7d3033e9b99429cc8802facfc08189986e |
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