MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to redirector infrastructure or potentially malicious domains, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The ML classifier also strongly flagged this PDF as malicious. The embedded content, though heavily obfuscated, appears to contain URLs that are part of a link farm designed to drive traffic to malicious sites.
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=png+background+hd+full
- http://fakux.americanpolicenews.com/uploads/1/3/2/7/132740228/bosofepuvuwezus_kitibemo_surevive_betale.pdf
- http://kepapev.aeherting.com/uploads/1/3/2/7/132710621/nofej.pdf
- http://files.liliaperez.com/uploads/1/3/0/7/130740165/potefilepe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sarexomerowomowubufo.pdf
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/74773191411.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/66673508425.pdf
- https://cdn.shopify.com/s/files/1/0435/0096/1947/files/jeguzawudajifulede.pdf
- https://cdn.shopify.com/s/files/1/0437/9059/8305/files/credit_card_pre_authorization_form_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/6902439916.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/the_art_of_electronics_3rd_edition.pdf
- https://cdn.shopify.com/s/files/1/0434/1468/3813/files/kosiwutivozokizixazegepeg.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/siwizobudavegi.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_off00004251.bin5707f97597a743935205b082a38f946159659c807ac6f426f5fd81781b0d9db5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4251 | 5312 bytes |
font_01_sfnt_off00005450.bin79c7aa5a8787a2d54649094acfb692696437bbe6051163ddb9284527a5999ec9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5450 | 9256 bytes |
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