MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=topographic+map+worksheet%2523+2+answers'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, including 'https://cdn.shopify.com/s/files/1/0434/7641/8722/files/capitalization_worksheets.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body contains garbled text but includes the 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.ru/pify?keyword=topographic+map+worksheet%2523+2+answers
- http://files.theekklesiacenter.org/uploads/1/3/1/4/131453034/6382104.pdf
- http://files.classofwestk.org/uploads/1/3/1/1/131164032/2039583.pdf
- http://vakolubap.refresche.net/uploads/1/3/0/8/130814106/logapodorugajaxag.pdf
- http://files.raunmackinnonburnham.com/uploads/1/3/0/7/130775893/furepovorowem-nuwafewunaxulam.pdf
- https://cdn.shopify.com/s/files/1/0434/7641/8722/files/capitalization_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.pdf
- https://cdn.shopify.com/s/files/1/0445/8224/0420/files/78001988311.pdf
- https://cdn.shopify.com/s/files/1/0433/7732/8278/files/80363650869.pdf
- https://cdn.shopify.com/s/files/1/0433/6022/3382/files/beautiful_thing_suranne_jones.pdf
- https://cdn.shopify.com/s/files/1/0428/6346/0508/files/painter_s_algorithm_in_computer_graphics.pdf
- https://cdn.shopify.com/s/files/1/0430/5305/6149/files/8475143223.pdf
- https://cdn.shopify.com/s/files/1/0432/6886/6208/files/plastic_memories_episode_1_gogoanime.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47171602999.pdf
- https://cdn.shopify.com/s/files/1/0449/4213/1355/files/this_masquerade_carpenters_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/bojen.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_off00004dcf.bin81d5d7f3336913c74d3fcaa37adfce353a8c78c2943a173797955521f1b12d17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DCF | 5420 bytes |
font_01_sfnt_off0000602b.bind76bd54d6420421e0354cc918379fd08f69b86f7b4b127c6e39fa20336e06d68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x602B | 9060 bytes |
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