MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged as malicious by a machine learning classifier and contains multiple heuristics indicating malicious intent. Specifically, it includes links to a known malicious redirector and a large number of external PDF links, suggesting a link farm or SEO spam operation. The document body is heavily obfuscated and appears to be junk data, further supporting the malicious nature of the file.
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.com/pify?keyword=calendar+ortodox+2020+format+pdf
- http://files.dutchtasmanianconnection.com/uploads/1/3/1/4/131438059/2034586.pdf
- http://files.arlingtontherapyalliance.com/uploads/1/3/0/7/130775197/luvoluw.pdf
- http://files.shinenewagemedia.com/uploads/1/3/0/7/130775108/598ad93.pdf
- http://files.amazingcreationstaxidermy.com/uploads/1/3/2/6/132695543/xefijiv.pdf
- http://files.schrockeducates.us/uploads/1/3/1/3/131383771/2ea0e.pdf
- https://cdn.shopify.com/s/files/1/0437/6559/6321/files/filujoxisoz.pdf
- https://cdn.shopify.com/s/files/1/0429/6392/7206/files/35332288727.pdf
- https://cdn.shopify.com/s/files/1/0440/9724/1240/files/mevexajurajonerikeje.pdf
- https://cdn.shopify.com/s/files/1/0435/3189/4944/files/78552047048.pdf
- https://cdn.shopify.com/s/files/1/0437/0684/3288/files/rogetoxamapodasuzoze.pdf
- https://cdn.shopify.com/s/files/1/0429/0812/3303/files/gopurevemi.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/5890597465.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/33903145118.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7682/files/bavogekewajuvinovizojom.pdf
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/23493725146.pdf
- https://cdn.shopify.com/s/files/1/0429/8611/1137/files/19479028605.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_off0000d7ad.bin8f4dd08979b8b911b5bcded44d9f2b5236206ea740fe0886ade7bf27aa1e248d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7AD | 5112 bytes |
font_01_sfnt_off0000e8ff.bin39e66a8d8bbee9c06ff6f161041019fdf46a005f75b69357c71a7914841a0ce5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FF | 10308 bytes |
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