MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that lead to a redirector service, which in turn points to a link farm of other PDFs. The document body, though heavily obfuscated, contains text suggesting it is a guide for 'Clicker Heroes 2', a common lure for SEO spam or phishing. The ML classifier and critical heuristics strongly indicate malicious intent, likely to drive traffic to malicious or spam sites.
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.cc/pify?keyword=clicker+heroes+2+guide+2019
- http://files.justleeds.com/uploads/1/3/1/3/131380756/vodowa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0428/5690/6918/files/wenadalusaxawuxopol.pdf
- https://cdn.shopify.com/s/files/1/0432/7804/1244/files/41509409832.pdf
- https://cdn.shopify.com/s/files/1/0432/7302/7749/files/45263063323.pdf
- https://cdn.shopify.com/s/files/1/0431/9982/4032/files/46835610885.pdf
- https://cdn.shopify.com/s/files/1/0446/0858/5891/files/skyrim_anti_crash_mod.pdf
- https://cdn.shopify.com/s/files/1/0439/4627/9080/files/2873871607.pdf
- https://cdn.shopify.com/s/files/1/0432/3767/1080/files/zaxowovenuselokuwozanam.pdf
- https://cdn.shopify.com/s/files/1/0437/7876/9045/files/aerobic_and_anaerobic_bacteria_list.pdf
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/42930917178.pdf
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/8874098269.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/beachbody_ultimate_reset_recipe_book.pdf
- https://cdn.shopify.com/s/files/1/0435/3222/2615/files/24978188234.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000798a.bin1a6b4e37cb0c2678379458ab25307ef11d3dd134727ec71119d920e5cddca14b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798A | 5256 bytes |
font_01_sfnt_off00008b71.bin2659003a1f459f4d2b2688adb77b78eacd402b8c6671fdcb9c71cb44157bccee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B71 | 10480 bytes |
font_02_sfnt_off0000af4c.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF4C | 4324 bytes |
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