MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF document contains numerous invisible links, including a CAPTCHA-themed lure and links to a known malicious redirector at 'ttraff.ru'. It also features a large link farm pointing to other PDFs hosted on cdn.shopify.com and various other domains. The document body is heavily obfuscated but contains the primary redirect URL. This suggests a multi-stage lure designed to lead the user to malicious content, likely for phishing or malware delivery.
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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Invisible PDF links to CAPTCHA-themed web lure high PDF_CAPTCHA_LINK_LUREPDF contains invisible clickable link annotations that point to a CAPTCHA/capcha-themed web path. This is a common phishing and ClickFix-style routing pattern: the PDF itself is inert, while the linked page performs the credential prompt or fake verification.
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Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASIONPDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
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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=whose+uncle+graphing+worksheet
- http://files.rachelmariephotography.net/uploads/1/3/1/3/131383837/zijal.pdf
- http://gimijegew.melvinmorsemd.com/uploads/1/3/0/7/130776102/jutetanezavonako.pdf
- http://xidik.wheatgrasspublishing.com/uploads/1/3/2/6/132680981/e547940.pdf
- http://files.snow-channel.com/uploads/1/3/0/8/130813330/nimoj.pdf
- http://files.ok123plus.com/uploads/1/3/0/7/130775712/ratetedijibasen.pdf
- https://cdn.shopify.com/s/files/1/0441/0572/8152/files/bozenawulijavidefopo.pdf
- https://cdn.shopify.com/s/files/1/0450/7402/2550/files/abbyy_transformer_plus_download.pdf
- https://cdn.shopify.com/s/files/1/0433/8574/9665/files/26593952587.pdf
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/68365082365.pdf
- https://cdn.shopify.com/s/files/1/0434/6318/0454/files/60069866814.pdf
- https://cdn.shopify.com/s/files/1/0436/4068/4697/files/kawabeti.pdf
- https://cdn.shopify.com/s/files/1/0429/7018/5879/files/mizikikilugezonab.pdf
- https://cdn.shopify.com/s/files/1/0459/7710/8647/files/gsa_captcha_breaker_free.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000045c5.bin8ed2137326eb6684c96e286a9a283133ae9d85b49bf29325e483835ae2d810a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45C5 | 5364 bytes |
font_01_sfnt_off00005814.binc45561da4168ec428027e2adf07166add06661354bf4e7dc62a057ead359b24a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5814 | 9548 bytes |
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