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 pointing to Shopify domains, which is characteristic of a link farm designed to manipulate search engine results or distribute malicious content. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=download+surat+ar+rahman+latin+pdf'. The ML classifier also strongly indicated maliciousness. The document body text appears to be a mix of metadata and a lure related to downloading a PDF, further supporting the malicious link farm attack pattern.
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=download+surat+ar+rahman+latin+pdf In PDF document text
- http://files.graysondel.com/uploads/1/3/1/0/131069879/kurowo-juzevesodi-lopisubabefemax-bodomixusezol.pdfIn PDF document text
- http://files.camanchemobilehomeparks.com/uploads/1/3/1/3/131384145/fefizojepopubatidake.pdfIn PDF document text
- http://files.benbodnarfilms.com/uploads/1/3/0/7/130738614/rikivenejovur.pdfIn PDF document text
- http://files.trufflefarmsc.com/uploads/1/3/1/4/131453333/3550967.pdfIn PDF document text
- http://files.sweetbakeschicago.com/uploads/1/3/1/3/131398140/zelaj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8878/2236/files/tifijokikaxikupuwuzuxon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7313/2961/files/d3_js_heatmap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2556/3799/files/42616870746.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/vefasenanujigup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2038/1342/files/topogutapidarifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9123/7791/files/factores_sociales_definicion_segun_autores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/kuderosijopaxadaves.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0240/4769/files/kedudexoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1344/7581/files/koboxutog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/19906128481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2354/9094/files/somir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8683/2035/files/fapiwokataxijilovozetipug.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000c469.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xC469 | 31352 bytes |
SHA-256: e758d9749cd012d0bcf71bf55623947e89b6b92b8b9692019c92de7b87e0899d |
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font_00_sfnt_off00008ec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EC7 | 5372 bytes |
SHA-256: 20babd397a00f8f74533f73441ebf837fc26f69f3de6f6cf98d2b648f223ba3d |
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font_01_sfnt_off0000a0f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0F7 | 11076 bytes |
SHA-256: b45d94915eaa70eee5f0c05c0a2802f6eadcf271252a6b3b7045e2310cd43b0a |
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