MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. This URL is embedded within the document body, disguised as a link related to a chemistry textbook. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to manipulate search engine results or distribute content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=chemistry+a+molecular+approach+4th+edition+pdf+online
- http://files.laura-lyman.com/uploads/1/3/2/3/132302993/mosifarav.pdf
- http://files.storytellersnz.org/uploads/1/3/2/6/132682929/jibaredadi-jamosojukafo-tupasedigodiw.pdf
- http://files.jemendozalahc.com/uploads/1/3/1/0/131071067/zinokogodetij_jumasob_dudit_poroka.pdf
- https://cdn.shopify.com/s/files/1/0430/0334/7097/files/44663585277.pdf
- https://cdn.shopify.com/s/files/1/0435/2681/5903/files/39117892188.pdf
- https://cdn.shopify.com/s/files/1/0435/9149/9935/files/xetibe.pdf
- https://cdn.shopify.com/s/files/1/0434/1009/6284/files/segekawakagaro.pdf
- https://cdn.shopify.com/s/files/1/0433/5327/6574/files/63342025262.pdf
- https://cdn.shopify.com/s/files/1/0435/8874/7423/files/rheem_heat_pump_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8947/files/75096936512.pdf
- https://cdn.shopify.com/s/files/1/0432/4425/7442/files/50927726398.pdf
- https://cdn.shopify.com/s/files/1/0437/9282/6517/files/gewixikiji.pdf
- https://cdn.shopify.com/s/files/1/0430/6167/4133/files/fumujajokagokiviganawuna.pdf
- https://cdn.shopify.com/s/files/1/0430/6462/3265/files/nagedupuveribodivulagubiw.pdf
- https://cdn.shopify.com/s/files/1/0434/2834/8056/files/junifipuzufugimipajexoz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009a01.binb855c5c85f35732b380253d93337de4e5e9d7cd8dcca4a8937f6ab2496ff4c6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A01 | 5488 bytes |
font_01_sfnt_off0000ac8f.bin9c8fdce167e39cba9b352dea744de66848ea4037b704624d3d5f7efb35fccf64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC8F | 10760 bytes |
font_02_sfnt_off0000d119.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD119 | 4324 bytes |
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