MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Mechanical waves pdf' and the malicious URL 'https://ttraff.cc/wb?keyword=mechanical%20waves%20pdf', suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm used for SEO poisoning or distributing further malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.cc/wb?keyword=mechanical%20waves%20pdf
- http://files.caasfepconference2020.org/uploads/1/3/0/8/130813095/8387626.pdf
- http://files.pipandwillys.com/uploads/1/3/2/6/132682051/86101695dbb20.pdf
- http://zapen.scoil-mhuire.com/uploads/1/3/2/6/132683014/7022809.pdf
- https://cdn.shopify.com/s/files/1/0434/4745/1798/files/flash_download_chrome.pdf
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/bafipef.pdf
- https://cdn.shopify.com/s/files/1/0438/3404/8669/files/6210392037.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/jogivilomutowedive.pdf
- https://cdn.shopify.com/s/files/1/0429/4790/3644/files/trane_xl624_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7872/9374/files/bulletproof_roadmap_diet.pdf
- https://cdn.shopify.com/s/files/1/0427/4041/6678/files/94160947888.pdf
- https://cdn.shopify.com/s/files/1/0435/0086/3640/files/accuracy_and_precision_definition.pdf
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/tepanubojugiku.pdf
- https://cdn.shopify.com/s/files/1/0431/8950/2110/files/dajexanimetofisogi.pdf
- https://cdn.shopify.com/s/files/1/0434/2326/9014/files/38593527285.pdf
- https://cdn.shopify.com/s/files/1/0436/6319/6310/files/zudoferawiledexufo.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_off00005a9a.bine87d4babe23c44640b51662a07820d80f4c0076a802906b0c76c91eff1559504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A9A | 5304 bytes |
font_01_sfnt_off00006cbd.bin2d686f20446a2a1145759759d24a484528c1163c55e07cc61dda4b62b331daa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CBD | 10256 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.