MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.cc), suggesting a malicious intent. The document body contains text related to 'Ias exam date sheet 2019', likely a lure to entice users to click the malicious links. The presence of a large number of external PDF links, many hosted on Shopify, further supports the link farm attack pattern.
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=ias+exam+date+sheet+2019
- http://files.elmermeats.com/uploads/1/3/1/3/131380480/9076105.pdf
- https://cdn.shopify.com/s/files/1/0452/8082/1410/files/71713268658.pdf
- https://cdn.shopify.com/s/files/1/0435/5240/7704/files/inventory_stock_register_template.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38140624907.pdf
- https://cdn.shopify.com/s/files/1/0435/8691/2413/files/empirical_process_techniques_for_dependent_data.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/budget_meal_planning.pdf
- https://cdn.shopify.com/s/files/1/0428/3033/2070/files/lovumaga.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/tajarumidizitumolu.pdf
- https://cdn.shopify.com/s/files/1/0440/8734/5304/files/96082025140.pdf
- https://cdn.shopify.com/s/files/1/0431/6289/4498/files/79444668910.pdf
- https://cdn.shopify.com/s/files/1/0431/2639/0933/files/62487271561.pdf
- https://cdn.shopify.com/s/files/1/0431/4837/8266/files/nasudakudalolawu.pdf
- https://cdn.shopify.com/s/files/1/0431/9661/2768/files/42674913539.pdf
- https://cdn.shopify.com/s/files/1/0430/5174/5431/files/nozit.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_off00006e01.bind5499a8438bb5808ccf2acd5cf287e140fa6a3ceddd553bb212aebf769d16326 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E01 | 5424 bytes |
font_01_sfnt_off0000805f.bin7b1fe7c3f9c331caa98135e12d4a45ad0d0d3d6a32fc385e7c3ef89b915fb4fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x805F | 10256 bytes |
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