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, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, contains the text "Certificate border pdf" and the URL `https://ttraff.ru/pify?keyword=certificate+border+pdf`, suggesting a lure to trick users into clicking malicious links. 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.ru/pify?keyword=certificate+border+pdf In PDF document text
- http://files.estellessweetitchblankets.com/uploads/1/3/1/4/131409170/tixavaxanepuluxuvit.pdfIn PDF document text
- http://files.quillskywritings.com/uploads/1/3/1/8/131856409/231239c3a6a691.pdfIn PDF document text
- http://files.smilecommunicationsgroup.com/uploads/1/3/2/6/132681002/vebevemiru.pdfIn PDF document text
- http://rikemabe.rammothdm.org/uploads/1/3/2/6/132681579/bovifefid.pdfIn PDF document text
- http://files.shirleywulab.com/uploads/1/3/0/9/130969237/8c6e3.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/1/0430/8221/9674/files/21614816175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9438/5575/files/bbva_api_market.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1421/8143/files/kerukexifab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/zujuvefuvaroj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/falimuredokujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/fijiletobogemukebeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6209/9097/files/novel_habibie_dan_ainun_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9066/3832/files/19415281037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2197/1104/files/arlberg_ski_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3293/6605/files/jituxozer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19490865332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1210/4103/files/80067114092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5652/8544/files/pivofukopuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/21530177252.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_off000060aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60AA | 4784 bytes |
SHA-256: 9307d8e1d53a38d2065907d79dbc1d19fbc96c78dac7be87513175117c133069 |
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font_01_sfnt_off000070f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F3 | 9948 bytes |
SHA-256: f2d09f8819ec1ae078883236c9374b8438d11140d9ad5293b104a88e24ed8ac1 |
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font_02_sfnt_off000092fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92FA | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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