MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link `https://ttraff.cc/pify?keyword=national+antibiotic+guidelines+2020+pdf` leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external PDF links, with `https://cdn.shopify.com/s/files/1/0431/8488/1825/files/rumelar.pdf` being the first identified. The ML classifier also strongly flagged this PDF as malicious.
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=national+antibiotic+guidelines+2020+pdf
- http://files.ledljos.com/uploads/1/3/1/4/131411539/9060419.pdf
- http://files.centerformarxisteducation.org/uploads/1/3/1/6/131636651/rebisodafakota-rokabidewi-bojolipizes.pdf
- http://files.mtousleyphysie.com/uploads/1/3/1/3/131379443/talapebetakux-sidopaja.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8488/1825/files/rumelar.pdf
- https://cdn.shopify.com/s/files/1/0432/0156/0737/files/53881852362.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/84009253368.pdf
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/40539496363.pdf
- https://cdn.shopify.com/s/files/1/0437/3633/4501/files/zufawilanujixiwazuzeko.pdf
- https://cdn.shopify.com/s/files/1/0437/1021/8391/files/6572492430.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/koxumugude.pdf
- https://cdn.shopify.com/s/files/1/0434/5567/6568/files/924618080.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/motelovofov.pdf
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/pamobedupunubitutan.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_off00006cf9.bin88fa99f5f99cb9bbe61a3c2c6773e0e20988fa11999741490245efa17bc30bf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CF9 | 5492 bytes |
font_01_sfnt_off00007fae.bindfdaf61e204e49a74a1c45a226d08fdbb44c76fbdbb2e8c0eddb7dfd77b2bf21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FAE | 10252 bytes |
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