MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'ttraff.cc'. This URL is used to redirect users to other content, in this case, a PDF hosted on Shopify. The document body is heavily obfuscated but contains references to 'The art of war pdf chinese', suggesting a lure. The presence of a PDF link farm heuristic further indicates an attempt to distribute or link to numerous external resources.
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.cc/pify?keyword=the+art+of+war+pdf+chinese In PDF document text
- http://files.thefleckviehguy.com/uploads/1/3/1/1/131163953/letijirapasosarexiv.pdfIn PDF document text
- http://files.allweare.org.uk/uploads/1/3/2/6/132682974/7190179.pdfIn PDF document text
- http://files.northwest-tec.com/uploads/1/3/0/7/130775308/6b149d79ec7.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/1/0437/5271/8494/files/90643663984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2728/9496/files/lapabedeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2520/files/72367082305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1062/files/xeromot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/26630857316.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4856/6933/files/27886601297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81143567733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78299439052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0180/6997/files/95267114858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0144/6554/files/82995886006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4041/4615/files/95877827749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lalosukiwafigoledexefes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/22108117273.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9085/3540/files/37060392093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/65145134882.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD1D | 15160 bytes |
SHA-256: 4989f792db8b75b9da88d976a1e0301c8cea7078a7e76efe022d86e3bf830c38 |
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font_01_sfnt_off0000eda7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA7 | 5040 bytes |
SHA-256: e8b8aa2793dcef39746d1f596fe600842168868a6f1e7bca591d52a7398efd73 |
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font_02_sfnt_off0000fed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED4 | 12544 bytes |
SHA-256: 541c151e09bfd882841f1919d509b1bdf374910114a501f42473f6c8f4289338 |
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