MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=la+caida+del+muro+de+berlin+ensayo+pdf'. The document body, though heavily obfuscated, also contains this URL and other links to what appears to be a link farm hosted on Shopify. This suggests a phishing or malicious redirection attempt, likely to deliver a secondary payload or lead the user to a fraudulent site.
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=la+caida+del+muro+de+berlin+ensayo+pdf In PDF document text
- http://files.villagepostmark.net/uploads/1/3/2/7/132740665/pezaw-xugiluzof.pdfIn PDF document text
- http://files.transformation4you.com/uploads/1/3/2/6/132681494/6992414.pdfIn PDF document text
- http://suzad.ppcomachining.com/uploads/1/3/0/8/130874359/9077974.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/1/0430/0134/8255/files/pasogabigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2091/8679/files/livro_nutrio_aplicada_e_alimentao_saudvel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3855/5805/files/32062667272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1970/6273/files/nizanizoxukerepos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/43344520975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/lazawul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7762/3194/files/nepefozodogigofos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3141/3404/files/36925903239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/givigufulejawor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6437/8022/files/89954240989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5430/1338/files/63411686760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1751/8751/files/2013_hyundai_elantra_owners_manual.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_off00006b90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B90 | 5284 bytes |
SHA-256: 840037adeee705ea0df0abf72a73a7877578cf6f2a5db00617b6a37144625311 |
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font_01_sfnt_off00007d5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D5D | 10984 bytes |
SHA-256: 9a86c90658816acb4ab053523b2ccb0e59f958b105d3a10ad86a5566a5988713 |
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font_02_sfnt_off0000a130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA130 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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