MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.ru'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=boletin+informativo+ejemplo+pdf', reinforcing the redirection attempt. The presence of numerous Shopify links, while many are benign, suggests an attempt to blend malicious links with legitimate ones.
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=boletin+informativo+ejemplo+pdf In PDF document text
- http://files.tenderyearschildcarellc.com/uploads/1/3/0/9/130969932/5270271.pdfIn PDF document text
- http://files.drmelissacordero.com/uploads/1/3/1/4/131408353/a63f5b145973c.pdfIn PDF document text
- http://files.writinglifebarbaraoneil.com/uploads/1/3/1/1/131164488/nenefubiwurabuwawo.pdfIn PDF document text
- http://files.hbbapa.org/uploads/1/3/1/4/131408169/4c4e53.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/1/0433/0687/7080/files/mevebetivegukubevam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8289/0912/files/battery_tender_plus_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/tefejofix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0006/2367/files/13693740523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9623/6447/files/36914322469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3349/2641/files/58993975199.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/zebenimawopiwinewumon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9502/9915/files/73051150776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70745323757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5308/8919/files/29389358048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2693/2124/files/52173689644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/60816434022.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76423385748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8957/6601/files/47887698910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7241/4106/files/75835457979.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_off00008c57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C57 | 4980 bytes |
SHA-256: 16c246275541bcbcb553495bc4b78aae7444057a7b644da1088a8dc67bf361cd |
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font_01_sfnt_off00009d2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D2D | 11164 bytes |
SHA-256: 0df6e9828d99d91d049ad77c9b70de37cd71e9e9c3f3c408381d725c74b9a4f7 |
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font_02_sfnt_off0000c163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC163 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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