MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Anet a8 plus firmware' and includes the malicious redirector URL. The presence of a large number of external links, many pointing to Shopify domains, suggests a link farm or SEO manipulation tactic, potentially to obscure the malicious redirector.
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=anet+a8+plus+firmware
- http://files.christopher-warren.com/uploads/1/3/1/0/131070450/fusipuk.pdf
- http://ziwono.ottawadima.com/uploads/1/3/0/8/130874631/zoxagufirokozomus.pdf
- http://files.karenfornes.com/uploads/1/3/1/4/131408928/3ab08af.pdf
- https://cdn.shopify.com/s/files/1/0434/0675/3948/files/gabebosivivitemiju.pdf
- https://cdn.shopify.com/s/files/1/0429/8289/9871/files/71266486026.pdf
- https://cdn.shopify.com/s/files/1/0433/2149/1621/files/83897925189.pdf
- https://cdn.shopify.com/s/files/1/0430/9526/1348/files/sezedafazigirenubesu.pdf
- https://cdn.shopify.com/s/files/1/0438/3562/1526/files/gasazurugegefupo.pdf
- https://cdn.shopify.com/s/files/1/0434/1969/7303/files/70481625288.pdf
- https://cdn.shopify.com/s/files/1/0434/9971/6770/files/70160570875.pdf
- https://cdn.shopify.com/s/files/1/0435/8655/1971/files/character_design_sheet_bird.pdf
- https://cdn.shopify.com/s/files/1/0431/4886/9786/files/carlos_drummond_de_andrade_sentimento_do_mundo.pdf
- https://cdn.shopify.com/s/files/1/0438/9237/5704/files/lowazizove.pdf
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/94904640248.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004950.binb14e2c8a27bee3d657c157c11238e25947a143cb68c77bdb1741cac4053abcdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4950 | 5320 bytes |
font_01_sfnt_off00005b62.binea588d77c75098a98270cfc6dbeddba6792c2d0cd6d256532e259ddac8b73d03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B62 | 10060 bytes |
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