MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector infrastructure. The document body itself is heavily obfuscated and contains what appears to be a list of URLs, likely for SEO poisoning or to lure users to malicious sites. The ML classifier strongly indicated maliciousness.
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=jasper+report+format+decimal
- http://resipa.georgemasonrw.com/uploads/1/3/0/7/130739573/71c42.pdf
- https://cdn.shopify.com/s/files/1/0432/1991/0811/files/pegifikorev.pdf
- https://cdn.shopify.com/s/files/1/0434/0649/1797/files/59454361474.pdf
- https://cdn.shopify.com/s/files/1/0434/5656/1318/files/tapupafuroradidofob.pdf
- https://cdn.shopify.com/s/files/1/0437/8984/4641/files/lofuzawonaduwem.pdf
- https://cdn.shopify.com/s/files/1/0433/8139/1514/files/83815711728.pdf
- https://cdn.shopify.com/s/files/1/0433/1061/2635/files/45864157473.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/51138065453.pdf
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/16502284895.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/sesovizikerizadesigupef.pdf
- https://cdn.shopify.com/s/files/1/0434/0783/5293/files/graphic_design_print_portfolio.pdf
- https://cdn.shopify.com/s/files/1/0435/0840/0280/files/let_s_eat_2.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3699/files/fomunitojifuxeke.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b64.bin5a4cdf58ab58270c43ef1bc5ea3c0d63e41390f1bcfc28f20eeb81c934531a03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B64 | 4972 bytes |
font_01_sfnt_off00006c47.binf10d754e5f6a3415f488105b8dc0455bfdec572b76940083da5673f85011b0f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C47 | 15560 bytes |
font_02_sfnt_off00009ca4.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CA4 | 4324 bytes |
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