MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=anatomy+3d+organs+apk'. The document body also contains this URL, suggesting it is the primary lure. The presence of numerous PDF links, many hosted on cdn.shopify.com, indicates a link farm designed to improve search engine ranking for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=anatomy+3d+organs+apk In PDF document text
- http://bavasu.totsandco.org/uploads/1/3/0/7/130776089/zuwir-gilatewil-sisas-fajid.pdfIn PDF document text
- http://denisukuv.shooplr.com/uploads/1/3/1/3/131383314/mipobatol_pijike.pdfIn PDF document text
- http://kanofuf.uniontownartclub.org/uploads/1/3/0/7/130739974/c38b0dcec15636.pdfIn PDF document text
- http://zumip.bethelchurchofchrist.org/uploads/1/3/2/8/132815787/wamaveworitu_kigez_zibega.pdfIn PDF document text
- http://files.inyfilmfest.com/uploads/1/3/1/4/131453605/91b5a6ccfa31.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/1/0433/3692/5342/files/dujajum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6337/7048/files/sisubomotoxazeditenekewad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/functional_areas_of_business.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8072/8224/files/rabuzajuderez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6967/6451/files/guidelines_for_treatment_of_asthma_in_pediatrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0931/8813/files/backplane_bus_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5430/9284/files/taparugidobaxegajokijuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/kefakudivufabaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/wepefosedofegojodar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0210/1923/files/julufuwepafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0457/9439/4278/files/kamen_rider_build_episode_40_anoboy.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000577d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x577D | 5868 bytes |
SHA-256: ba356ed6fe076fb3a1da86a64c359b65ff6e56f760d48d188c3b30bff0c242e0 |
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font_01_sfnt_off00006bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BB1 | 5568 bytes |
SHA-256: 748f4445b6d478a1d7466e3e37ff79f4f0687ff3f4f4b2751df13ab7c8786cd5 |
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font_02_sfnt_off00007e97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E97 | 11396 bytes |
SHA-256: 10a6262e41583f79708edde9c61a08710dfeb2cd43b3475c4e136bd840ba1ae1 |
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font_03_sfnt_off0000a359.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA359 | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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