MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The ML classifier strongly indicates maliciousness. The document appears to be a lure, presenting itself as a 'self certification form print' and embedding numerous links, many of which point to benign Shopify URLs, but one critical link redirects to `https://ttraff.cc/pify?keyword=self+certification+form+print`, a known malicious redirector. This suggests the primary goal is to redirect the user to 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/pify?keyword=self+certification+form+print
- http://files.ian-b-robertson.com/uploads/1/3/1/1/131164130/zakodeku.pdf
- https://cdn.shopify.com/s/files/1/0440/1322/4094/files/diablo_3_best_barbarian_build.pdf
- https://cdn.shopify.com/s/files/1/0455/4991/2229/files/donepezil_davis.pdf
- https://cdn.shopify.com/s/files/1/0436/8865/7051/files/93325800307.pdf
- https://cdn.shopify.com/s/files/1/0437/6667/7655/files/zekakes.pdf
- https://cdn.shopify.com/s/files/1/0437/2230/9786/files/81076631897.pdf
- https://cdn.shopify.com/s/files/1/0428/9521/2697/files/45052380409.pdf
- https://cdn.shopify.com/s/files/1/0457/8974/1222/files/zcc_choir_songs.pdf
- https://cdn.shopify.com/s/files/1/0434/5384/1560/files/94903986009.pdf
- https://cdn.shopify.com/s/files/1/0437/7804/8161/files/autocad_architecture_2020_book.pdf
- https://cdn.shopify.com/s/files/1/0434/7786/0516/files/sirodefi.pdf
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/artemis_fowl_the_eternity_code_graphic_novel.pdf
- https://cdn.shopify.com/s/files/1/0449/7778/2952/files/pci_incident_response_plan_template.pdf
- https://public-online.hmrc.gov.uk/lc/content/xfaforms/profiles/forms.html?contentRoot=repository:///
- 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_off000046d5.binb2361ce69765f77f0b2cb8f6abd172fca5f1bbef076e5863555ea80dab2e9004 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46D5 | 5084 bytes |
font_01_sfnt_off00005804.bin0f5a2fca58797bc059e5b0bdfc8dc9f7ead1cdd63c610c1a2f1f7ac769b8e68b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5804 | 9756 bytes |
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