MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for 'chess free for laptop'. The presence of a malicious redirector and a large number of external links suggests an attempt to drive traffic to potentially harmful sites, likely for phishing or malware distribution.
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+free++for+laptop
- http://files.rewalsarsponsorship.org/uploads/1/3/0/9/130969498/bipigi.pdf
- http://files.412studentministries.org/uploads/1/3/0/7/130775557/745dabed6.pdf
- http://files.cmssalvage.com/uploads/1/3/1/4/131406947/1571637.pdf
- http://files.johnjosephhayes.com/uploads/1/3/1/8/131871416/2477916.pdf
- http://losimuri.sandydex.com/uploads/1/3/1/4/131454762/molilevune.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5774/9917/files/gilulidekazufexomave.pdf
- https://cdn.shopify.com/s/files/1/0435/3576/1562/files/short_term_causes_of_ww1.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/54395390770.pdf
- https://cdn.shopify.com/s/files/1/0431/0253/5840/files/rukebobolubeluv.pdf
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/fawedevozutebupekubu.pdf
- https://cdn.shopify.com/s/files/1/0434/0888/3870/files/povutaweza.pdf
- https://cdn.shopify.com/s/files/1/0432/6221/4304/files/35506199080.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.pdf
- https://cdn.shopify.com/s/files/1/0434/5148/2278/files/tipabavatibino.pdf
- https://cdn.shopify.com/s/files/1/0439/4542/7102/files/90438416639.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32878299647.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007cca.bin78ff076a5a32800941e5b18c18afe345c14f32388fcea2497e2c41e686571fcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CCA | 4896 bytes |
font_01_sfnt_off00008d68.bin175a3311653547dd5103fa15fcd0b5f9c0270944163797d1f39fc05a14dba4cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D68 | 10192 bytes |
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