MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=pdf+advertising+media'. Additionally, it exhibits a PDF link farm behavior, embedding 18 external links, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The document body is heavily obfuscated, preventing a clear understanding of its direct user-facing content, but the link farm and redirector strongly suggest a malicious intent to lure users to external, potentially harmful, content.
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=pdf+advertising+media In PDF document text
- http://files.midatlanticmotionpictures.com/uploads/1/3/0/8/130813558/mozuva.pdfIn PDF document text
- http://files.aceamsea.org/uploads/1/3/1/4/131438680/niwupovagosuzetisazo.pdfIn PDF document text
- http://files.jenniferbundy.com/uploads/1/3/1/4/131454012/joxiralefa_nedoretofob_jexixovidexawos_widokaxigaw.pdfIn PDF document text
- http://files.bighammershields.com/uploads/1/3/1/3/131379594/punepotegi.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/1/0429/9679/3503/files/xexulesupolade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3020/0991/files/99344345949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0880/2468/files/74160135185.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1378/3199/files/puxatexodemufarima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/51710390345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/jurobeferilemedubejer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3147/7922/files/tuzej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/guravawogopudided.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/3934628844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7818/9205/files/pivadadapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5464/5916/files/8010828993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5864/0534/files/vejojolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6310/6968/files/lovusoliwetalemilalarur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2761/1295/files/ziwivulorimukulota.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_off0000843e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x843E | 4932 bytes |
SHA-256: 4a5d7cc9a2bd0a483cbe0570605b5301993585e8e4872dd023a710ba93f8adef |
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font_01_sfnt_off000094ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94EA | 10764 bytes |
SHA-256: 11862805baca4cbdf0a6690ad8c2cd31c15b76582174a48384670c8790d30db2 |
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