MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the document is part of a link farm or phishing campaign designed to trick users into downloading malware or visiting malicious sites.
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=ceremonious+three+font In PDF document text
- http://files.honeygirlflowers.com/uploads/1/3/1/6/131636725/xesutoselapa.pdfIn PDF document text
- http://files.bittermallow.com/uploads/1/3/0/9/130969446/wexunonisinuwag.pdfIn PDF document text
- http://wozugefuz.edwardfanphotos.com/uploads/1/3/1/3/131383483/ruwuv.pdfIn PDF document text
- http://durusi.ericbagwellart.com/uploads/1/3/2/6/132681559/7033242.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/4626/3201/files/biochemistry_textbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7256/0031/files/wawiruvuxowebit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6455/5675/files/5251612410.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/xutopawasiboriguzivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1470/9663/files/learn_python_the_hard_way_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/mckinsey_influencer_marketing_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/baofeng_uv_5r_plus_manuale_italiano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1574/9281/files/28465225897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0357/6481/files/kofarulerakilajenusotam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4207/7852/files/37146579450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/73050807051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/61919561837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9729/1941/files/advocare_24_day_challenge_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/web_design_templates_css.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6336/2204/files/56855406752.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_off0000494f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x494F | 4672 bytes |
SHA-256: 334dae60bfbc572ca40a7fb6aef8ae2c8ef454c5e7e0e2da7f42ec1cadf5dc3d |
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font_01_sfnt_off000058fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FE | 9428 bytes |
SHA-256: 00ccd25841c7d7d0e48449a1599fee0c6907281ba1c9e0008a2ad888d5d40c38 |
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font_02_sfnt_off0000794d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794D | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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