MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.me/pify?keyword=msdn+bugcheck+custom_error', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain this URL and other links to PDF files hosted on Shopify. This suggests a phishing or scam attempt where the user is directed to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
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.me/pify?keyword=msdn+bugcheck+custom_error
- http://files.artwalkstalbert.com/uploads/1/3/0/7/130775851/aead73bcc45.pdf
- http://files.9488.kofcva.org/uploads/1/3/1/3/131383580/963675.pdf
- http://files.frederick-biebesheimer3.com/uploads/1/3/2/6/132695586/vojitolusoxup_mokevape_topopelosutuzet.pdf
- http://files.chardonnaybox.com/uploads/1/3/0/7/130739906/a9004e824.pdf
- https://cdn.shopify.com/s/files/1/0432/1266/9089/files/99829286347.pdf
- https://cdn.shopify.com/s/files/1/0431/2308/1378/files/nezazugarosudodebem.pdf
- https://cdn.shopify.com/s/files/1/0435/4496/9367/files/vopum.pdf
- https://cdn.shopify.com/s/files/1/0430/0305/2191/files/google_sheets_if_statement_with_or.pdf
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/zigiralad.pdf
- https://cdn.shopify.com/s/files/1/0428/3524/7271/files/zavufatojuvo.pdf
- https://cdn.shopify.com/s/files/1/0435/9726/7112/files/managerial_accounting_journal.pdf
- https://cdn.shopify.com/s/files/1/0428/7440/5023/files/38206147113.pdf
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/31877539190.pdf
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/35579327906.pdf
- https://cdn.shopify.com/s/files/1/0430/7802/5377/files/13715803766.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_off00006cbc.binf6f313d22551358aa17144c40f7395defe9efb356a826c1dd4112f988acb7e6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CBC | 5352 bytes |
font_01_sfnt_off00007ecf.bine2fd1eb641d5f295f56e88a5af8267ca39e22c8fc1898a72167e1f012eea7e7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ECF | 10912 bytes |
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