MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body itself is heavily obfuscated but contains a URL that appears to be part of a link farm designed to improve search engine rankings for malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=irena+dobrzycka+bronis%25C5%2582aw+kopczy%25C5%2584ski+j%25C4%2599zyk+angielski+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf, which is likely used to distribute further malware or phishing 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.com/pify?keyword=irena+dobrzycka+bronis%25C5%2582aw+kopczy%25C5%2584ski+j%25C4%2599zyk+angielski+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf In PDF document text
- http://files.phoenixlegacyofcompassion.org/uploads/1/3/1/3/131381607/5743294.pdfIn PDF document text
- http://files.iaphilosophicalanthropology.org/uploads/1/3/0/9/130969801/lavatowito-kojara.pdfIn PDF document text
- http://files.holapostpartum.com/uploads/1/3/1/3/131384468/kipalujegugibu.pdfIn PDF document text
- http://files.trainhardplayharder.com/uploads/1/3/1/4/131483147/ca7028e78918.pdfIn PDF document text
- http://files.landartfinegardening.com/uploads/1/3/0/7/130740211/ce6cb397ac.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/1/0438/9280/1704/files/koxizibivilerukumoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/abordagem_sistemica_na_educao_fisica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93515438816.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5702/8001/files/wagememenanufinidapon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/wejisebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1826/4469/files/dimirukurudokoditi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5042/6787/files/jidodukajapapivopew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/75899397208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9739/0244/files/competitive_analysis_example_for_restaurant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3469/8147/files/3579310487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/vatosubipofugezew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/genuwunogadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0239/5813/files/1382827320.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7079/8489/files/porokixazanazow.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_off00005f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F0F | 6516 bytes |
SHA-256: 194a7008e73834903c39a8fad80dcdb8406ee9ec2ab80b2c23726c0317d98dd5 |
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font_01_sfnt_off0000742a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x742A | 11132 bytes |
SHA-256: d08ebd9907c8fb547f183c6200ece3a78ba1c24c2cfdc3a1536718705c583b57 |
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