MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to redirector infrastructure, specifically `ttraff.com`, which is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to "cement plant operation pdf". The presence of numerous external PDF links, many pointing to Shopify, indicates a link farm strategy. The ML classifier strongly flags this PDF as malicious, supporting the conclusion that it is designed to redirect users to malicious content.
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.com/pify?keyword=cement+plant+operation+pdf In PDF document text
- http://files.quasar-resources.com/uploads/1/3/1/8/131871583/5853876.pdfIn PDF document text
- http://files.ilketshallstandrew.com/uploads/1/3/0/7/130739986/8587968.pdfIn PDF document text
- http://files.ncexchangeclub.com/uploads/1/3/1/1/131163914/e3f904eb0.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/1/0434/5918/2745/files/29902053335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6104/1569/files/76772017878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8125/3535/files/88619457683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45484104345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/4861267605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1571/6513/files/vakuxumorup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0074/files/13307658637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9302/files/wabaxuditenokeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/lanifepowidetisapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3962/9218/files/81433569110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8803/5486/files/sobosarob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2630/7480/files/2864635586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8324/2401/files/sezasino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/71319644818.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000768e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768E | 4820 bytes |
SHA-256: 3674f7e14af330dde3b97da200cb868f79f26b4361e5262e41ba61f6620ed5ee |
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font_01_sfnt_off000086d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D0 | 10208 bytes |
SHA-256: 4db4d53e18a779d9ea7c53b7ee1249b7368b1dd18df3b4321902c3a65c9548ec |
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font_02_sfnt_off0000a9e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9E0 | 16448 bytes |
SHA-256: 4972c892cf783310df7ebe7a43044f7b4e4d650808add06809858f2f0e6eeb09 |
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