MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=amparito+roca+score+pdf', which is likely used to redirect users to a malicious site. The ML classifier also strongly indicated maliciousness.
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=amparito+roca+score+pdf In PDF document text
- http://files.janabrodkin.com/uploads/1/3/1/4/131453595/c2e8aa3b6c.pdfIn PDF document text
- http://files.jollyduke.com/uploads/1/3/0/7/130775205/6244228.pdfIn PDF document text
- http://files.autisticadults.org/uploads/1/3/1/3/131381464/lidawuneguki-vunajom.pdfIn PDF document text
- http://files.paulabeasty.com/uploads/1/3/2/7/132740930/8093100.pdfIn PDF document text
- http://butoj.z-furniture.com/uploads/1/3/0/7/130775868/9889474.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/1/0430/0665/6666/files/64829410112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5439/0687/files/51974951895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9464/7719/files/3112905592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/nixapamosowibof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0212/6755/files/89927989500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4743/5940/files/jixoximijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7226/6150/files/3528580863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0761/4882/files/borubumaxajuxupuwuwor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/46343670304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9904/6553/files/xoguwifijowegopoboxosudog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/tebutixawejebabuberojile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0611/6511/files/27452338033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7644/3543/files/wuwegobowomusuzuviwuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7086/4025/files/26634656162.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000548f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x548F | 5260 bytes |
SHA-256: 2b681a8f3c929f1ca1bd4590438553ed944f216eabf82c0201f152080b548077 |
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font_01_sfnt_off0000664d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664D | 10044 bytes |
SHA-256: c2cd8670372c85cec5f52af23337a09b2140e71f41cbc1136b19bfbb1efff282 |
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font_02_sfnt_off000088f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88F0 | 16120 bytes |
SHA-256: 73e2bae015806fcbcea00a5e77fef36cf57312733aebee32ba98308b5ce41d75 |
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