MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a deceptive lure for "Chess for Windows 7 free" and embeds multiple links. One critical heuristic indicates a malicious redirector link, and another identifies a large link farm. The primary malicious URL is https://ttraff.cc/pify?keyword=chess++for+windows+7+free, which likely serves as the initial stage for delivering further malicious content.
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.cc/pify?keyword=chess++for+windows+7+free
- http://vimupixe.elcapoz.com/uploads/1/3/2/7/132712207/dusogobob.pdf
- http://files.dryvettefit.com/uploads/1/3/0/8/130814127/rafatenodamoz.pdf
- http://files.spokanelifeline.com/uploads/1/3/0/8/130874679/dumosopef-gifelad-xobopadiwom-taxanokorupor.pdf
- https://cdn.shopify.com/s/files/1/0431/6109/2245/files/52676755363.pdf
- https://cdn.shopify.com/s/files/1/0437/7044/5975/files/piruli_augusto_roa_bastos.pdf
- https://cdn.shopify.com/s/files/1/0432/2597/2904/files/sikorajomux.pdf
- https://cdn.shopify.com/s/files/1/0431/4474/1024/files/36557308281.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2131/files/84857151978.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/vobixowalu.pdf
- https://cdn.shopify.com/s/files/1/0433/4531/3941/files/81935621095.pdf
- https://cdn.shopify.com/s/files/1/0433/8984/5667/files/advertising_agencies_structure_and_function.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9887/files/71249732175.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pijajaza.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/xebolodopawimidonoworatax.pdf
- https://cdn.shopify.com/s/files/1/0433/4105/4105/files/kimarazemavarawirovofan.pdf
- https://cdn.shopify.com/s/files/1/0432/3780/2146/files/61528004182.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006971.binc9619e9446eee5098907db6a1f03fb538702be6f524af08ec2b90e8ecc90e735 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6971 | 4832 bytes |
font_01_sfnt_off000079f1.bin078d4c494b23f46c51967c6d1e8e668b7473c835ccceecd5c6f38a0c24b26435 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79F1 | 10448 bytes |
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