MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service known for hosting malicious content. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution.
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=acrostiche+d+amour+pdf In PDF document text
- http://sojos.coppertopbbq.com/uploads/1/3/0/7/130775934/c1c872eb.pdfIn PDF document text
- http://files.newhopeakron.com/uploads/1/3/1/3/131398487/546fc3.pdfIn PDF document text
- http://files.maplepta.com/uploads/1/3/1/0/131070846/2867490.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/1/0428/9835/8432/files/21659337375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/43503604950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7726/1729/files/49543961890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9558/8002/files/46297116177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0138/files/zexutijuwudozileja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/74832969368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/download_brunner_and_suddarth_13th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/51104851424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/gujexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8484/1124/files/72083010484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3626/9983/files/44027891045.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2409/7191/files/javascript_object_length.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_off0000ac30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC30 | 5128 bytes |
SHA-256: a0860986fe10610675972d922dd2fe6f7841fa05d8aef3c12f3f9050834f04ca |
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font_01_sfnt_off0000bd9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD9B | 10472 bytes |
SHA-256: 542f2dcbbee9e56214caae8833619b53eb2391e92868b9b1ca768ca6cb8dd2af |
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font_02_sfnt_off0000e117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE117 | 16312 bytes |
SHA-256: 531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660 |
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font_03_sfnt_off0000f6a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A2 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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