MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, https://ttraff.ru/pify?keyword=june+2017+geometry+regents+answers, is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'June 2017 geometry regents answers', suggesting a lure to trick users into clicking the malicious links. 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.ru/pify?keyword=june+2017+geometry+regents+answers
- http://files.justinbarwick.com/uploads/1/3/1/4/131452922/madidugivojo-morosu-tulomobosidumog-tojubuxajalol.pdf
- http://files.fullwavemusic.com/uploads/1/3/1/4/131483249/lewufuf_gulidarasosufa.pdf
- http://files.urjcmunnews.com/uploads/1/3/0/8/130814329/noxola.pdf
- http://files.pgmbcstl.org/uploads/1/3/0/8/130874496/6839312.pdf
- https://cdn.shopify.com/s/files/1/0434/5918/2745/files/circle_with_a_dot_in_the_middle.pdf
- https://cdn.shopify.com/s/files/1/0435/5548/7905/files/98370768012.pdf
- https://cdn.shopify.com/s/files/1/0430/0816/3993/files/89442437606.pdf
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/lidatipemidoxat.pdf
- https://cdn.shopify.com/s/files/1/0438/5567/5552/files/94839821642.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9292/files/xirebewe.pdf
- https://cdn.shopify.com/s/files/1/0433/9187/7283/files/bisupinenegerasilef.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/balevogigadan.pdf
- https://cdn.shopify.com/s/files/1/0428/9550/7622/files/gixefipasojuropemu.pdf
- https://cdn.shopify.com/s/files/1/0440/4966/2117/files/skins_stealer_for_minecraft.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_off00006916.bin89e5b4965c1ef5e2c5142dca2cb5ac85e22be5ae60cbaa1c4d4666fc37f48d1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6916 | 5560 bytes |
font_01_sfnt_off00007c12.bin25683d163e26cf0c197d1d5b4b59a1ce55dd8f4af60c2402ad3f8060cbab7d94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C12 | 10312 bytes |
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