MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as interview questions for an accountant. The document also functions as a link farm, directing users to numerous other PDFs hosted on Shopify. The ML classifier strongly indicated maliciousness, and the embedded URLs suggest a phishing or redirection attempt.
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=interview+questions+for+accountant+and+answers
- http://files.jessejsanchez.com/uploads/1/3/1/3/131379183/nibuzinarotime_wopixigona.pdf
- http://files.perfold.com/uploads/1/3/2/8/132814996/8179272.pdf
- https://cdn.shopify.com/s/files/1/0440/7905/5000/files/zumurogorajosu.pdf
- https://cdn.shopify.com/s/files/1/0434/8549/5453/files/dewapuwururamedudonopoto.pdf
- https://cdn.shopify.com/s/files/1/0431/9979/1265/files/notizimuroki.pdf
- https://cdn.shopify.com/s/files/1/0436/6984/8217/files/11036360218.pdf
- https://cdn.shopify.com/s/files/1/0433/3197/7369/files/manual_tire_changing_machine.pdf
- https://cdn.shopify.com/s/files/1/0428/0313/4627/files/the_brothers_grimm_spectaculathon_full_script.pdf
- https://cdn.shopify.com/s/files/1/0435/2271/9912/files/69912084543.pdf
- https://cdn.shopify.com/s/files/1/0427/9150/1990/files/77152881731.pdf
- https://cdn.shopify.com/s/files/1/0437/2476/7400/files/19189201509.pdf
- https://cdn.shopify.com/s/files/1/0438/4188/0224/files/resumo_capitaes_de_areia.pdf
- https://cdn.shopify.com/s/files/1/0432/8462/7624/files/29333053754.pdf
- https://cdn.shopify.com/s/files/1/0431/6374/6466/files/puzugewenupomegawitu.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_off00007c0c.binc20306277139aa0b7d3e690a44b0c11021c03acfaf1b470116942a2978ddaf54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C0C | 5196 bytes |
font_01_sfnt_off00008dd8.bin32e295dbe505f72e71ca46412e8d0a847ab00f420da03362baca17bb9ba66287 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DD8 | 10376 bytes |
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