MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains embedded links that lead to a redirector URL, which is indicative of a phishing or malware distribution attempt. The document body, though partially corrupted, suggests a lure related to a 'blood test report for fever'. The presence of numerous external PDF links, many hosted on Shopify, further supports the malicious intent of creating a link farm for SEO manipulation or to obscure the true destination. The ML classifier 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=blood+test+report+for+fever In PDF document text
- http://files.eastsuburbanconnect.com/uploads/1/3/0/9/130968947/8fec3a.pdfIn PDF document text
- http://lidukuje.sustainableetc.com/uploads/1/3/0/7/130776031/8888030.pdfIn PDF document text
- http://files.demornewarrenddub.com/uploads/1/3/1/4/131409170/dakodup-simegi.pdfIn PDF document text
- http://wosozebe.procure-ico.eu/uploads/1/3/0/7/130775612/rexedi-salorifulez.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/1/0432/2898/7547/files/98825848665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7092/2655/files/nosiguxutawowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/9194/6661/files/string_concatenation_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5369/4626/files/49405596429.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8649/4361/files/ukulele_songs_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6107/6387/files/pivuri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/bubble_sheet_lahore_board.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4468/3432/files/vinokojamifafusajeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/3044/5981/files/bajrangi_bhaijaan_film_hd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0076/6369/files/32270205219.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_off000089cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89CC | 4568 bytes |
SHA-256: 0d4e6248c5fb1f433e848d8f28113b421affdbd2d55051c247412e712d021fec |
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font_01_sfnt_off00009975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9975 | 13196 bytes |
SHA-256: dcf871e19ce46af380d5b01651ca857db62264c8c0cb119944b7cb4289f02ce7 |
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font_02_sfnt_off0000c414.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC414 | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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font_03_sfnt_off0000d8ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8AB | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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