MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as information about Illinois state corporate income tax rates. The link points to `https://ttraff.ru/pify?keyword=illinois+state+corporate+income+tax+rate+2019`, which is flagged as malicious. The document also contains a large number of external PDF links, many hosted on `cdn.shopify.com`, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicates 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.ru/pify?keyword=illinois+state+corporate+income+tax+rate+2019
- http://files.ashwoodfertilitycare.com/uploads/1/3/1/3/131379099/tozawilefuru.pdf
- http://files.peculiaritypress.com/uploads/1/3/0/7/130740044/e21756.pdf
- http://files.womensclubofpittsford.org/uploads/1/3/1/3/131380842/4309723.pdf
- https://cdn.shopify.com/s/files/1/0429/3633/6551/files/fds_acide_sulfurique_98.pdf
- https://cdn.shopify.com/s/files/1/0431/2504/7463/files/dnd_5e_artificer_revised_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/7074/9861/files/38919139247.pdf
- https://cdn.shopify.com/s/files/1/0438/4541/9170/files/pukusifulovajinakotasabu.pdf
- https://cdn.shopify.com/s/files/1/0440/6145/8582/files/37596320775.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/wupujov.pdf
- https://cdn.shopify.com/s/files/1/0432/5100/7638/files/fotonirun.pdf
- https://cdn.shopify.com/s/files/1/0438/1625/5650/files/dtu_b_tech_application_form_2019.pdf
- https://cdn.shopify.com/s/files/1/0463/2985/6155/files/sidamuzokuw.pdf
- https://cdn.shopify.com/s/files/1/0432/6414/7609/files/la_pasion_segun_antigona_perez_free_download.pdf
- https://cdn.shopify.com/s/files/1/0437/0412/3557/files/72954736302.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_off00006ac7.bin6490cf846f987c5f1b7919048dfa5f5ed602ebea6c2072d8c7f33095ac26686a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC7 | 5568 bytes |
font_01_sfnt_off00007d9d.bin5cab4e0f5545b07a74b8934004b62f51b7d31498e1c93fd705b8d060b652effb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D9D | 10420 bytes |
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