MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, designed to deceive users into downloading files. The embedded URL 'https://ttraff.ru/pify?keyword=basics+of+anesthesia+pdf+download' is flagged as a known malicious redirector, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains this URL and other benign-looking Shopify links, reinforcing the lure.
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=basics+of+anesthesia+pdf+download In PDF document text
- http://files.westfielddentalpa.com/uploads/1/3/0/7/130775942/bavef_kezujuwusuk_javexolizepun.pdfIn PDF document text
- http://nibarus.ladybugranchllc.com/uploads/1/3/1/4/131483068/8841645.pdfIn PDF document text
- http://files.jlkarchitecturaldesign.com/uploads/1/3/0/7/130775632/juwapenanidi.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/1/0431/7731/2411/files/vojitapimuvijoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9685/1111/files/fool_for_your_loving_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9257/3334/files/jijege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2829/7381/files/what_is_the_tp_command_in_minecraft.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8080/1701/files/lakak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5548/9948/files/44524792318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2381/8139/files/68259516773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8043/4342/files/towezuturipejomup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/pizomofinoduta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2412/9952/files/94980849518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7946/2040/files/adobe_to_word_converter_software.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugomedimugatusigoxafif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0088/9507/files/autodesk_fusion_360_black_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/71326124424.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_off00006570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6570 | 5288 bytes |
SHA-256: 862f17d2bee6aee8980f5667575b61e24ecb018ab97e281134c3b30f5e368193 |
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font_01_sfnt_off0000776d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x776D | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off00007ffb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FFB | 10420 bytes |
SHA-256: 3579bcdfa8c7d25da62a6a00a87ff496d2401158b2cc5bc98c1181a9300f9daa |
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