MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be part of a phishing lure related to employee registration. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector suggests an attempt to lead the user to a malicious site.
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=employee+registration+form+template+free
- http://files.properprejudice.org/uploads/1/3/1/3/131381288/jinawujowekuzu.pdf
- http://files.straystreetstnr.com/uploads/1/3/0/7/130775107/nasuketalawavemefu.pdf
- http://nozekape.martinreynoldsopticians.co.uk/uploads/1/3/0/7/130739046/sofezenovak_wirerokijaxeso_zitevu.pdf
- http://files.jennderango.com/uploads/1/3/1/4/131407802/nirofu-newepatosafo-jatabuwof-zibak.pdf
- http://files.knwnapparel.com/uploads/1/3/1/3/131380985/muzazobo-zifetajiwi-misogif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8670/7876/files/edit_text_android.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/supudesogixisuko.pdf
- https://cdn.shopify.com/s/files/1/0432/2469/4939/files/59451615235.pdf
- https://cdn.shopify.com/s/files/1/0430/4030/9402/files/tukipulebu.pdf
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/lenasosifenuravitivaba.pdf
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/51518343888.pdf
- https://cdn.shopify.com/s/files/1/0434/3028/1381/files/extracellular_matrix.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdf
- https://cdn.shopify.com/s/files/1/0433/9305/6933/files/zokerixirupojomuvam.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_off0000879a.binc0f03dfb9e127823e41b0e52811cd3a68acd967bf461f24fdcf98b8ef59aebc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x879A | 5280 bytes |
font_01_sfnt_off0000998b.bin9e74f6ac0aeb9ddf2badd82f6d5fa27960c00b4f50d50709194cafa4ba423190 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x998B | 10244 bytes |
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