MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, also contains the same redirector URL. This suggests a phishing or scam attempt where users are directed to malicious infrastructure.
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=incentive+spirometry+instructions+pdf
- http://files.melaniewhipman.com/uploads/1/3/0/7/130775429/343bd5ae.pdf
- http://files.goldenmountainguides.com/uploads/1/3/1/4/131483371/burejixugisevo-direto-bududotuxuwe.pdf
- http://gufak.newhopewes.com/uploads/1/3/0/8/130874359/begesafodopefafef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5973/0839/files/35862883215.pdf
- https://cdn.shopify.com/s/files/1/0430/6278/8245/files/tufomapokepif.pdf
- https://cdn.shopify.com/s/files/1/0436/3796/4960/files/yahtzee_score_sheet_printable.pdf
- https://cdn.shopify.com/s/files/1/0430/9663/7597/files/mercado_cervantino_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/3382/9271/files/siwufen.pdf
- https://cdn.shopify.com/s/files/1/0428/8852/8035/files/monitoring_and_evaluation_framework.pdf
- https://cdn.shopify.com/s/files/1/0428/8105/6935/files/nuripojezoxaxazedofoja.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/38803009841.pdf
- https://cdn.shopify.com/s/files/1/0430/3867/1010/files/95709263927.pdf
- https://cdn.shopify.com/s/files/1/0429/6491/0243/files/49805359082.pdf
- https://cdn.shopify.com/s/files/1/0427/8714/3839/files/zuvamuzewikozijiseruji.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.pdf
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/laruruwoxopez.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_off00006e8a.bin1320403d401f241be46595187152957ef54ec273be2e5bacd79d09f75ee113ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E8A | 5156 bytes |
font_01_sfnt_off00008018.bina641a264758fdb3ef95a32dee04b3aa05f2c5df5d7b3da89f8a12dc1d7beadc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8018 | 10748 bytes |
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