MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, with the primary one being a potential lure. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains text related to 'distillation column simulation', likely serving as a pretext to encourage clicks on the embedded malicious URL.
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/wix?keyword=distillation+column+simulation+probl
- https://cdn.shopify.com/s/files/1/0434/8893/6102/files/english_grammar_present_tense_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/safe_agile_epic_template.pdf
- https://cdn.shopify.com/s/files/1/0433/5868/3294/files/wasajijafofiba.pdf
- https://cdn.shopify.com/s/files/1/0431/1869/0458/files/10723377476.pdf
- https://cdn.shopify.com/s/files/1/0429/0658/3203/files/batman_telltale_series_game_android.pdf
- https://static.usrfiles.com/ugd/2ac701_04648110ab5b4d068c030abde1fce182.pdf
- https://static.usrfiles.com/ugd/a1fb72_315915015fc54fae920be10dc60461b4.pdf
- https://static.usrfiles.com/ugd/fef806_b4479895bdf044ff82387545a4389272.pdf
- https://cdn.shopify.com/s/files/1/0432/8616/7702/files/bhosari_midc_map.pdf
- https://cdn.shopify.com/s/files/1/0433/1274/2564/files/armour_of_god_2_full_movie.pdf
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/54504714970.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_off0000ab00.bin8adc5ce3277b84a6429b1f4f193357a89e5a7c5ad5ff2c21a819bcdaf13fca23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB00 | 5220 bytes |
font_01_sfnt_off0000bc9a.binf60628127f30e63505ce9841d2560fb20bac94a4b4f3361458ed09aad86ec749 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9A | 10588 bytes |
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