MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL that is also present in the heuristics. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a link farm, likely to improve search engine ranking for malicious content. No scripts were extracted from this sample.
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=microscopic+anatomy+of+skeletal+muscle+answers
- http://vumid.lshstheatreparents.com/uploads/1/3/1/0/131070197/35296.pdf
- http://files.gcsemathshub.co.uk/uploads/1/3/0/7/130739697/fetadugijavifa-nasimifupobetol-vusemigetubepa.pdf
- http://kugivivog.ritecookware.com/uploads/1/3/1/4/131453960/f43badd.pdf
- http://petuti.mayfieldwoodsorchestra.com/uploads/1/3/1/8/131856072/5882853.pdf
- http://powufil.flockchiropractic.com/uploads/1/3/0/7/130775455/pupenixadeg_tewunazusaw_rufufudalog_nepadoxepax.pdf
- https://cdn.shopify.com/s/files/1/0433/6726/8517/files/24856707301.pdf
- https://cdn.shopify.com/s/files/1/0433/5537/3720/files/36817500768.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/11824045596.pdf
- https://cdn.shopify.com/s/files/1/0433/8103/1064/files/lusapududij.pdf
- https://cdn.shopify.com/s/files/1/0433/5186/7557/files/software_test_plan_template.pdf
- https://cdn.shopify.com/s/files/1/0430/7219/2669/files/kindle_fire_hdx_8._9_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/fetuvibozana.pdf
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/44477073127.pdf
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/butatojiwe.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_off000079dc.bin063a4a98ce3838efec836052848a0c8a3b5c42e63e7d6920d474fb9d2297d498 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DC | 5424 bytes |
font_01_sfnt_off00008c4f.bin503e30145722a886988cd3c12e6c5fe809e41a1332b937ae377b65e327feb4f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C4F | 9900 bytes |
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