MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=experiment+25+calorimetry+answers'. Additionally, it exhibits characteristics of a PDF link farm, with multiple embedded URLs, one of which is 'https://cdn.shopify.com/s/files/1/0435/5047/4399/files/19641713256.pdf'. The ML classifier also strongly indicated maliciousness.
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.com/wix?keyword=experiment+25+calorimetry+answers
- https://cdn.shopify.com/s/files/1/0435/5047/4399/files/19641713256.pdf
- https://cdn.shopify.com/s/files/1/0429/2355/7030/files/22149877354.pdf
- https://cdn.shopify.com/s/files/1/0433/9728/3992/files/simple_perfect_tense_exercise.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/jillian_michaels_6_pack_abs.pdf
- https://static.usrfiles.com/ugd/50de67_eebfdd9d1f35496ebd2b998aa08538be.pdf
- https://cdn.shopify.com/s/files/1/0468/8619/1261/files/date_sheet_puchd_golden_chance_2019.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7254/files/daromubipowis.pdf
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/the_american_sign_language_puzzle_book_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1316/files/longman_toefl_preparation_paper_test.pdf
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/wigagumodikom.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008e36.bin5b30fa8c904d85424d7636770b7883c1ca030dc243b9cb67105e3fe6b5b42106 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E36 | 5344 bytes |
font_01_sfnt_off0000a056.bin1536c7525b2401f655bc7f9eab3a064c9d584f0684795d38336592c9a328f8f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA056 | 10712 bytes |
font_02_sfnt_off0000c4ab.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4AB | 4324 bytes |
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