MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector, suggesting an attempt to lead the user to malicious content. The document body, though obfuscated, contains text related to a 'computer literacy test pdf' and the URL itself, reinforcing the lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute 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.ru/pify?keyword=computer+literacy+test+pdf
- http://files.arielmeylanart.com/uploads/1/3/1/4/131437474/difurupononuta.pdf
- http://feziben.corinne-a-michels-phd.net/uploads/1/3/1/4/131437615/gedije.pdf
- http://files.madisonarttherapy.com/uploads/1/3/1/1/131163854/pamapu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdf
- https://cdn.shopify.com/s/files/1/0431/2409/7191/files/rosalotofusipidodejar.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7461/files/sezudagi.pdf
- https://cdn.shopify.com/s/files/1/0437/5651/9585/files/qsofa_score.pdf
- https://cdn.shopify.com/s/files/1/0437/6264/7189/files/96996921090.pdf
- https://cdn.shopify.com/s/files/1/0433/3928/4645/files/degipetamasiw.pdf
- https://cdn.shopify.com/s/files/1/0434/1461/8262/files/7180249981.pdf
- https://cdn.shopify.com/s/files/1/0432/0867/1394/files/vujakutumuje.pdf
- https://cdn.shopify.com/s/files/1/0432/6054/3138/files/65440607559.pdf
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/vugejeruxexubukava.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96617946950.pdf
- https://cdn.shopify.com/s/files/1/0428/8161/3987/files/faraday_s_law_of_electrolysis.pdf
- https://cdn.shopify.com/s/files/1/0432/0195/3952/files/vatub.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_off000055c1.bind2b40bde4167ca2a4d6c338a158fbc9bf8ee648396e301cf63d81af2cb1de231 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C1 | 5308 bytes |
font_01_sfnt_off000067bc.bin584c33c4bbdcd416ebfd47b70eb02e82afd9f3ba9b72e2ec54b5a5424f2ad595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BC | 10360 bytes |
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