MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link pointing to 'ttraff.ru', which is flagged as malicious. It also exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=upsc+model+answer+sheet+pdf In PDF document text
- http://files.louthbeekeeping.com/uploads/1/3/0/7/130739625/49f83.pdfIn PDF document text
- http://files.annalisalosangeles.com/uploads/1/3/1/0/131070591/wijemepo.pdfIn PDF document text
- http://xewat.iironaekki.com/uploads/1/3/1/0/131070450/3745994.pdfIn PDF document text
- http://files.ahavabotanicals.com/uploads/1/3/0/7/130740148/luzevafad.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/1/0433/1290/6405/files/fevotadazakag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1560/2337/files/57391961349.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4578/9600/files/98239219204.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4192/2982/files/debujavodefopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/dorosotiduzuzizonar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/nipumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9155/8551/files/83263684538.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/27753638571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/92820542066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/bigasuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5982/2244/files/maytag_mhw5500fw_consumer_reports.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2244/9820/files/22831571664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5593/9733/files/9408937175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53295895336.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_off00005963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5963 | 5220 bytes |
SHA-256: b16a51e899ed75677daa982841056d883fc75bdb0ddd5353cc18b054a462916a |
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font_01_sfnt_off00006af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF7 | 10212 bytes |
SHA-256: 64123bbeef076243cea21962efe36f996a92ad4321dd5903702f47ef93481fef |
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font_02_sfnt_off00008daf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DAF | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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