MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a redirector URL known for malicious activity. The document body, though heavily obfuscated, also contains the primary malicious URL. The presence of a link farm suggests an attempt to obscure the true destination and potentially engage in SEO poisoning or traffic manipulation.
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=spongebob+campfire+song+lyrics
- http://files.redskinscheerleaderalumni.org/uploads/1/3/2/7/132740623/1171790.pdf
- http://files.theservantmessengers.org/uploads/1/3/0/7/130740127/7993960.pdf
- http://files.claretfarm.com/uploads/1/3/0/7/130776111/3147238.pdf
- http://files.songyingfang.com/uploads/1/3/1/4/131437680/80572d523f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6338/6017/files/35265056763.pdf
- https://cdn.shopify.com/s/files/1/0434/7097/9237/files/rei_backpacking_checklist.pdf
- https://cdn.shopify.com/s/files/1/0433/4551/0568/files/86965906818.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78649322563.pdf
- https://cdn.shopify.com/s/files/1/0430/9650/6521/files/91071563902.pdf
- https://cdn.shopify.com/s/files/1/0435/6007/5427/files/wuziditojol.pdf
- https://cdn.shopify.com/s/files/1/0432/2312/2084/files/62699320536.pdf
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/42634223419.pdf
- https://cdn.shopify.com/s/files/1/0430/8051/5745/files/8286436809.pdf
- https://cdn.shopify.com/s/files/1/0428/0634/5895/files/selupakorirefaxaket.pdf
- https://cdn.shopify.com/s/files/1/0434/5597/1480/files/powanapaluneni.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/lejuxus.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_off00004c2f.bin621849b48ff8e94a2a7bb91056c9d5c944441960bfa6ae1bc864f0260891389f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C2F | 5680 bytes |
font_01_sfnt_off00005f80.bin56d23912d07c49a52dd25eefd282575818f7d8a38d7da00b207781b03e360ef4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F80 | 12480 bytes |
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