MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically a URL designed to lead users to download other PDFs. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, many hosted on Shopify. While no scripts were extracted, the presence of a malicious redirector and the link farm structure strongly suggest an attempt to distribute malware or lead users to phishing sites, likely via a spearphishing attachment.
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=alter+ego+plus+pdf+free+download
- http://files.raisnaser.com/uploads/1/3/1/1/131163910/paxesarejanuwej-vugibe.pdf
- http://files.boslerhs.org/uploads/1/3/0/9/130969746/86575206.pdf
- http://files.searchlightorganization.com/uploads/1/3/0/8/130814397/fopir.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6888/3106/files/76322453328.pdf
- https://cdn.shopify.com/s/files/1/0429/5062/3385/files/zituwovujamubarogujawuz.pdf
- https://cdn.shopify.com/s/files/1/0434/9162/3074/files/423147044.pdf
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/57426121224.pdf
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/13015919756.pdf
- https://cdn.shopify.com/s/files/1/0429/5213/0716/files/tegisidasojowoto.pdf
- https://cdn.shopify.com/s/files/1/0434/1691/2037/files/98159668318.pdf
- https://cdn.shopify.com/s/files/1/0431/7711/5810/files/41889743251.pdf
- https://cdn.shopify.com/s/files/1/0434/6704/7077/files/95227917691.pdf
- https://cdn.shopify.com/s/files/1/0431/7783/6702/files/9870482565.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/fozosumiv.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_off00007515.bin0fe5e342640be4746079d13afe2e3b67e48958c9dd61510478f0414450c5257d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7515 | 5124 bytes |
font_01_sfnt_off000086a2.binf27b092574a8b6ca48cdc26f0bd4d08e6a28c92866b7bbf05a19d40f0130e76e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A2 | 10532 bytes |
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