MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=animal+crossing+hair+guide+colors'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including 'http://zusemanag.brurosa.com/uploads/1/3/1/4/131438304/lefetudi.pdf'. The document body, though heavily obfuscated, contains text related to 'Animal crossing hair guide colors' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious links. The ML classifier also strongly flagged this PDF as malicious.
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=animal+crossing+hair+guide+colors
- http://zusemanag.brurosa.com/uploads/1/3/1/4/131438304/lefetudi.pdf
- https://cdn.shopify.com/s/files/1/0431/3183/0421/files/after_effects_tutorials.pdf
- https://cdn.shopify.com/s/files/1/0427/8855/2870/files/31233090225.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/21101227344.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/case_in_point_free_download.pdf
- https://cdn.shopify.com/s/files/1/0427/6905/5911/files/14940938751.pdf
- https://cdn.shopify.com/s/files/1/0431/6767/8618/files/round_2_decimal_places_python.pdf
- https://cdn.shopify.com/s/files/1/0431/6623/6834/files/44019796134.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2821/files/anbang_insurance_group_annual_report.pdf
- https://cdn.shopify.com/s/files/1/0434/9624/3364/files/hoover_power_scrub_deluxe_carpet_washer_manual.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_off0000611e.bin1f1c77e2705050bd7a6ad7495dd25bfe73598c4069f5c4d1d1860a13c0cd5b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x611E | 5340 bytes |
font_01_sfnt_off00007303.binf3570165e04f41941b301647f8155cf3b43c662d46843799354a31ad2c155be6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7303 | 10352 bytes |
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