MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body, though partially corrupted, includes text suggesting a lure for 'construction accounting and financial management pdf download' and the malicious URL. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or SEO poisoning attack.
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=construction+accounting+and+financial+management+pdf+download
- http://files.ithacaymca.com/uploads/1/3/0/8/130874691/satetazaradadus.pdf
- http://files.sunbirdtravels.com/uploads/1/3/0/7/130739570/luvagama.pdf
- http://files.jonathandearmusic.com/uploads/1/3/2/3/132303359/9ec48265ab860.pdf
- http://files.cierrasedgeamstaffs.com/uploads/1/3/2/3/132303151/3d9adddcee.pdf
- http://files.distribucionesfrilav.com/uploads/1/3/0/9/130969358/waruxikajefepuj.pdf
- https://cdn.shopify.com/s/files/1/0429/0818/8839/files/vubusuz.pdf
- https://cdn.shopify.com/s/files/1/0454/6029/1742/files/accounts_receivable_management_policy_theory_and_evidence.pdf
- https://cdn.shopify.com/s/files/1/0431/4890/2557/files/57277323244.pdf
- https://cdn.shopify.com/s/files/1/0437/5442/2423/files/27814512704.pdf
- https://cdn.shopify.com/s/files/1/0430/5544/8213/files/33470589388.pdf
- https://cdn.shopify.com/s/files/1/0432/7977/7945/files/adjectival_phrases_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2677/files/tipigofowazagugekajuf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285
- https://cdn.shopify.com/s/files/1/0431/3494/3388/files/40966086868.pdf
- https://cdn.shopify.com/s/files/1/0438/3935/7093/files/chloroacetyl_chloride_msds.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_off0000543c.binf06c8ec98b077fafa56732f64f32519f24f8d1e2426c1bf9059c21ad3b8584c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x543C | 5472 bytes |
font_01_sfnt_off000066cf.bind98343fdd960fee9b68e101c110a8a47d3be9b90b5ff3b8bf01b2cc4a35de8e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66CF | 10020 bytes |
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