MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=vlookup+in+excel+2007+with+example+pdf', is flagged as a malicious redirector. The document body also contains this URL and numerous other links, many pointing to Shopify, suggesting an attempt to create a link farm for SEO poisoning or to disguise malicious links. The ML classifier strongly indicates maliciousness, supporting the attack pattern of luring users via a seemingly legitimate document to malicious infrastructure.
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/pify?keyword=vlookup+in+excel+2007+with+example+pdf
- http://files.storiesonstagesacramento.org/uploads/1/3/2/8/132815370/xetew.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/1052/2268/files/66935815612.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/97025685392.pdf
- https://cdn.shopify.com/s/files/1/0431/3609/0274/files/answers_to_questions_on_notice.pdf
- https://cdn.shopify.com/s/files/1/0448/7489/1431/files/plasma_membrane_and_cell_transport.pdf
- https://cdn.shopify.com/s/files/1/0433/4852/5208/files/nekuzolomuvafe.pdf
- https://cdn.shopify.com/s/files/1/0443/8091/3830/files/timex_nature_sounds_alarm_clock_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/7418/1537/files/rimedigijuva.pdf
- https://cdn.shopify.com/s/files/1/0429/7805/0201/files/mojezomiroxebukod.pdf
- https://cdn.shopify.com/s/files/1/0431/5748/7778/files/23379534277.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ccb.bin62dd62e4be410dc5c8744cdd795137bb4ec48f4deb9b2de8324de4c9a7d38ddf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CCB | 5544 bytes |
font_01_sfnt_off00006faa.binf696104c8567753daa2c7e2d3aa1f85694cc3104276b3faa75fe3951303ce49e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FAA | 10544 bytes |
font_02_sfnt_off000093cd.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93CD | 4324 bytes |
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