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, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.cc/pify?keyword=rigor+mortis+stages+pdf', which is likely used to redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous links to external PDFs suggests a link farm or redirection strategy to distribute malicious payloads or phishing lures.
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=rigor+mortis+stages+pdf In PDF document text
- http://jebedid.ecp-wi.org/uploads/1/3/0/7/130738837/4b24268abd.pdfIn PDF document text
- http://files.camarillocommunitygardens.org/uploads/1/3/0/8/130813846/xixiwige.pdfIn PDF document text
- http://files.lifestylemedicine.pro/uploads/1/3/0/7/130739906/bifabuwuzowikud.pdfIn PDF document text
- http://files.logosart.com.hk/uploads/1/3/1/6/131606533/bonokidufezobijariji.pdfIn PDF document text
- http://rifitiw.soulfoodcrystals.com/uploads/1/3/0/8/130874254/1994983.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/1/0437/6113/9861/files/no_mosaic_sims_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/20888478859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1010/4228/files/wojedima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7463/4403/files/jilebilavikadoxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6913/7305/files/el_porto_surf_cam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4963/2412/files/20483305093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7512/5923/files/23533903343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43377474007.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0577/9878/files/fokiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6009/2309/files/defecto_septal_atrial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4443/7142/files/iso_3166_1_alpha_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8687/9647/files/70599989945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8962/3208/files/47264371985.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_off00007cfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CFC | 5016 bytes |
SHA-256: 37a885dc2f9ece8d3a17f5a42bdb37a2e5011468ab196e4bad82c2c7eb69a339 |
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font_01_sfnt_off00008e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E14 | 9820 bytes |
SHA-256: 9f81482546ae19bb264ab7fa8801af9184d2cb810811da7e729f65e88e751164 |
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font_02_sfnt_off0000afa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA3 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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