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.cc/pify?keyword=sample+background+check+release+form+template', is identified as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to a 'sample background check release form template'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm intended to obscure the malicious redirector. 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.cc/pify?keyword=sample+background+check+release+form+template
- http://files.dr-yakirov.com/uploads/1/3/2/7/132711983/fijazegeriduzos-bexotudijufupu-terivoj-sinoro.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5282/6777/files/zobivasuwibule.pdf
- https://cdn.shopify.com/s/files/1/0461/4268/5337/files/24340330250.pdf
- https://cdn.shopify.com/s/files/1/0433/3459/8809/files/reboxogiwifenopawaga.pdf
- https://cdn.shopify.com/s/files/1/0462/3033/9735/files/jewakiwasojalowipidomajab.pdf
- https://cdn.shopify.com/s/files/1/0432/6395/1003/files/bladder_training_with_foley.pdf
- https://cdn.shopify.com/s/files/1/0432/0156/0737/files/failed_to_save_server._properties.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/6701976454.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/applicant_s_parent_spouse_information.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2785/files/sukozevegemisobokekuj.pdf
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/nahuales_mayas.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/gafojiwidojoxasub.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006419.binc1180ed633f6e56adbe80e7e26f22308582d34147d7b491e114a7ab114785550 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6419 | 5876 bytes |
font_01_sfnt_off000077e2.bin75c125e383f68da9cee6af8eade64106c88c02d6397aba59417c790f0ac472ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E2 | 9972 bytes |
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