MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and a reference to 'learn japanese pdf drive', suggesting a lure. The presence of numerous other Shopify links, some flagged as benign, indicates a link farm strategy to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=learn+japanese+pdf+drive
- http://files.funkyiceclothing.com/uploads/1/3/2/8/132815003/4469808.pdf
- http://files.redlotusskincaresalon.com/uploads/1/3/1/0/131070597/remotos.pdf
- http://files.emilycatherines.org/uploads/1/3/0/7/130739777/vovonisudijoxonez.pdf
- http://madenitid.ladecharter.org/uploads/1/3/0/7/130775403/ponekexawedol.pdf
- https://cdn.shopify.com/s/files/1/0437/2201/4870/files/molavopojinonanozab.pdf
- https://cdn.shopify.com/s/files/1/0431/4418/3974/files/gabusegifujaw.pdf
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/daxabuzubejeruzukofuwute.pdf
- https://cdn.shopify.com/s/files/1/0433/4659/1903/files/history_of_islam_in_urdu_books_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56317886700.pdf
- https://cdn.shopify.com/s/files/1/0431/8982/9800/files/42427664460.pdf
- https://cdn.shopify.com/s/files/1/0447/8982/5687/files/www._nyjuror._gov_erie.pdf
- https://cdn.shopify.com/s/files/1/0429/6366/5055/files/jspdf_autotable_add_image.pdf
- https://cdn.shopify.com/s/files/1/0431/0650/0769/files/ecological_systems_theory_bronfenbrenner.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_off0000878e.binabf472611af57d1b81c9238b8b3786980312aa62c57417822262300d3d68704a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x878E | 25044 bytes |
font_01_sfnt_off0000d547.bin38ea866497c681fe9318830054a81a1e60acc68a5f67942ef40ed061b2b77710 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD547 | 5080 bytes |
font_02_sfnt_off0000e6b2.bind6bbc810dc94576d1f5a86edea18d8f051ff4b9db65188beb00645c4d9990eee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B2 | 12404 bytes |
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