MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'interview questions' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are likely part of a link farm designed to improve search engine ranking for 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=ece+interview+questions+and+answers+for+freshers+pdf
- http://files.scillycottage.com/uploads/1/3/0/8/130874201/rumekolerobanidubiz.pdf
- http://files.exoticfashion.online/uploads/1/3/1/8/131871778/3a07556bf40.pdf
- http://files.thealbertafloodroseproject.com/uploads/1/3/0/9/130969555/13cd00738d.pdf
- http://files.scillycottage.com/uploads/1/3/0/8/130874201/rumekolerobani
- https://cdn.shopify.com/s/files/1/0440/5601/9109/files/abelian_group_properties.pdf
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/14490327364.pdf
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/itext_add_png_to.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/41564681199.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3429/files/9839186239.pdf
- https://cdn.shopify.com/s/files/1/0436/6349/1222/files/3066847506.pdf
- https://cdn.shopify.com/s/files/1/0434/7114/3078/files/17530992016.pdf
- https://cdn.shopify.com/s/files/1/0430/6223/1201/files/lokudusibimewusuvagob.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/66826092524.pdf
- https://cdn.shopify.com/s/files/1/0435/2652/0986/files/83978447988.pdf
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/ncert_class_9_beehive_solutions_download.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_off0000bbe5.bin11f3f97557c6492f6ecb3b3887f835c73cbcc812d9eac5678ce8bf27d0810a1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBE5 | 5444 bytes |
font_01_sfnt_off0000ce82.bina4a2d3134b8654cd018be8c6f4a3d1a4ac1de2776a1732586643e29af6bee056 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE82 | 10460 bytes |
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