MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a technical handbook. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious URL and a reference to a 'set lighting technician's handbook', suggesting a lure to trick users into clicking the link. The PDF also contains a large number of links to shopify.com, likely part of a link farm to improve SEO for malicious content.
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=set+lighting+technician%2527s+handbook+4th+edition
- https://cdn.shopify.com/s/files/1/0434/0121/6163/files/84944842190.pdf
- https://cdn.shopify.com/s/files/1/0432/1280/0159/files/just_already_yet_present_perfect.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/13883062786.pdf
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/29545717788.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/4116428300.pdf
- https://cdn.shopify.com/s/files/1/0438/7723/6904/files/fundamentals_of_molecular_spectroscopy_by_colin_n_banwell.pdf
- https://cdn.shopify.com/s/files/1/0437/2919/1066/files/consonant_blends_activities.pdf
- https://static.usrfiles.com/ugd/08fe48_1843c9c306264b9ca1ebbb4ad85e8ab9.pdf
- https://static.usrfiles.com/ugd/b8c837_1fd0bdb4ea354122ab036d196f5a9c5b.pdf
- https://static.usrfiles.com/ugd/24853a_3e998c283dfe410889aacf4e9affd4eb.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_off000064a7.bin36eed7f258d3cddafbeaec44d4886d3761b2c95eba0a59e598cd874907a67515 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A7 | 5532 bytes |
font_01_sfnt_off00007779.bin9ecf078de68fe908ecf7d7bd0affc58d4c497e618357ce5f6e8111932b75e37e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7779 | 10456 bytes |
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