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 Shopify domains hosting other PDFs, suggesting a link farm or SEO poisoning tactic. One prominent link, 'https://ttraff.club/wix?keyword=punctuation+worksheets+for+grade+3+with+answers', is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to 'Punctuation worksheets for grade 3 with answers' and the malicious URL, indicating a lure to a potentially harmful site. The ML classifier strongly flagged this PDF as malicious.
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.club/wix?keyword=punctuation+worksheets+for+grade+3+with+answers
- https://cdn.shopify.com/s/files/1/0433/0897/4235/files/adblock_android_root_xda.pdf
- https://cdn.shopify.com/s/files/1/0432/6126/4035/files/gravitational_force_and_field_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/8601/0776/files/numerical_methods_for_engineers_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0439/3464/6440/files/ravufipikuri.pdf
- https://cdn.shopify.com/s/files/1/0431/2891/4087/files/popamakoduxaxifek.pdf
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/73151122633.pdf
- https://cdn.shopify.com/s/files/1/0427/7813/2636/files/23620669164.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/camilla_lackberg_knjige.pdf
- https://static.usrfiles.com/ugd/0f9ef0_7ff8e8ed8c004aecacb42e22158f85d0.pdf
- https://static.usrfiles.com/ugd/902d29_d6b76974d2684d5c95521280183c78df.pdf
- https://static.usrfiles.com/ugd/0d2908_c2b16b6e4aed47b4b78a794559b10a7b.pdf
- https://static.usrfiles.com/ugd/3b7182_c6dd0f963470421dbcc1f021ccd947b9.pdf
- https://static.usrfiles.com/ugd/b28ae2_20692b71d1e54db69276629b9e1335dc.pdf
- https://static.usrfiles.com/ugd/d2751c_6ce7ba49ab2f4752828c9be3c9656aaf.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_off0000568e.bin42f877725b6a944300a3c795486e022985e127fbaf344a18142f9770a2deb731 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x568E | 5572 bytes |
font_01_sfnt_off00006995.binb087734a399b1abe5beec4fe7c372a7efded3b15dde8c9434617a0200471572c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6995 | 10036 bytes |
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