MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link to 'https://ttraff.ru/pify?keyword=agricultural+engineering+mcqs+pdf', which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of numerous external links, many pointing to Shopify domains, indicates a link farm strategy to obscure the malicious destination. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=agricultural+engineering+mcqs+pdf
- http://files.jakekalender.com/uploads/1/3/0/8/130873987/ninatalekipifelolaj.pdf
- http://files.shopqal.com/uploads/1/3/0/8/130813732/445206.pdf
- http://files.alohavolleyball.com/uploads/1/3/2/8/132815298/9aba7f.pdf
- http://files.allisonmoody.net/uploads/1/3/1/6/131607063/lijemazarujiji-fupewowatuvuj-tiwatozad.pdf
- https://cdn.shopify.com/s/files/1/0431/1737/9745/files/5518253578.pdf
- https://cdn.shopify.com/s/files/1/0437/7988/3170/files/birape.pdf
- https://cdn.shopify.com/s/files/1/0431/4457/7178/files/lezelosajij.pdf
- https://cdn.shopify.com/s/files/1/0433/4488/7966/files/kitchen_hygiene_and_sanitation.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/micromedia_flash_professional_8.pdf
- https://cdn.shopify.com/s/files/1/0434/2182/7222/files/retunulape.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/rte_gujarat_application_form.pdf
- https://cdn.shopify.com/s/files/1/0431/4995/1138/files/bovuzuneworotekusijiminuv.pdf
- https://cdn.shopify.com/s/files/1/0432/1217/7572/files/wikixakatitosizudon.pdf
- https://cdn.shopify.com/s/files/1/0431/1321/8199/files/pikazimavemiwububexuk.pdf
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/mamixadidobu.pdf
- https://cdn.shopify.com/s/files/1/0438/1406/0189/files/guitar_chords_tutorial.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_off000080c5.bin51be78aeda1ba6ae7f4d8712407cf65e9f06fa693e03e3e5811c88f1fb79e909 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C5 | 5588 bytes |
font_01_sfnt_off000093af.bina2425721b1a01d21714911f8982a3ac6505c909741d30d3e4d7860201e674d20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93AF | 10312 bytes |
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